Get full access Navigation; IB Chemistry Question Bank; Related video lectures; Get help with these IB subjects This is an example question for the example test. B.Â  Â  Â CH3CONH2 Apply IUPAC rules to state the name of P. Which of the following substances are structural isomers of each other? IB Higher Level Past PAPER 2 by Topic s99 to w13 600Pgs.zip: File Size: 34538 kb: More questions are being added every month. The mass and 1H NMR spectra of product X are shown below. Full coverage of chemistry revision questions for the 2018 onwards syllabus. Which is a homogeneous mixture? Edit. A.Â  Â  Â 2-methylbutane The percentage composition of HA is 70.56% carbon, 23.50% oxygen and 5.94% hydrogen. Which factors affect the molar volume of an ideal... What is the maximum volume, in dm3, of CO2(g) produced when 1.00 g of CaCO3(s) reacts withÂ 20.0... How many moles of oxygen atoms are there in 0.500 mol of hydrated iron(II) ammonium... What is the sum of the coefficients when the equation is balanced with whole numbers? IB Chemistry Topic 2: Atomic Structure DRAFT. 1 Watch the lectures and try the related exercises See all lectures. 3 Practice on past papers with video solutions See solved past papers. How many structural isomers exist with the formula... State the type of hybridization of the carbon and nitrogen atoms in... State the names of the three organic functional groups in aspirin. Topic 2 Questions. Describe two different types of physical evidence which show that benzene does not contain three... What is the structural formula of 2,3-dibromo-3-methylhexane? What is its empirical formula? Which... State the reagents used to convert benzene to nitrobenzene and the formula of theÂ electrophile... Ethane, C2H6, reacts with chlorine in sunlight. Here are the most commonly occurring subtopics in a recommended study order: Atomic Notation Understanding atomic notation is absolutely necessary to understanding chemistry. Determine the percentage yield of pure aspirin. Welcome to day 2 of the Chemistry Exam Secrets email course. Online. Calculate the percentage by mass of nitrogen in urea to two decimal places usingÂ section 6 of the... What is the percentage yield when 7 g of ethene produces 6 g of ethanol? Which of the following is consistent with Avogadroâs law? Privacy policy. ... International Baccalaureate® - Baccalauréat International® - Bachillerato Internacional® EspaÃ±ol, © International Baccalaureate Organization 2018 Here’s an assortment of 30+ IB Chemistry IA topics, classified by the broader field of the subject it falls under: IB Chemistry IA Ideas - Stoichiometry . Deduce the half-equations for the reactions at each... Magnesium burns in air to form a white compound, magnesium oxide. The structures of two molecules, X and Y, are shown below. Y: You can register for your free Titlewave account here. A. The precipitate of sulfur makes the mixture cloudy, so a mark underneath the reaction mixture... Identify the formula and state symbol of X. Students can use it to access questions related to topics, while teachers can use the software during teaching and to make exam papers easily. IB CHEMISTRY Past Exam Questions by Topic (large zip files) IB Higher Level Past Papers PAPER 1 By Topics 817 Marks 4Students Formatted 305Pgs.pdf: File Size: 16289 kb: File Type: pdf: Download File. Which of the structures below is an aldehyde? StudyIB Chemistry: More than 800 online multiple choice questions to test your understanding. Weng has both an extensive YouTube channel of videos and his own website, which includes theory videos, video solutions to IB specimen papers and links to practice problem. The molar mass of the ester is $${\text{116.18 g}}\,{\text{mo}}{{\text{l}}^{ - 1}}$$. A. W. B. X. C. Y. D. Z (Total 1 mark) 2. Chapters: 2009. Which compound is an isomer of octane, $${{\text{C}}_{\text{8}}}{{\text{H}}_{{\text{18}}}}$$? For (b), although most students were able to correctly sketch the reactant concentration / time graph by labeling the axes and drawing an appropriate curve, some candidates incorrectly read the question and sketched product / concentration time curve. How many non-cyclic structural isomers exist with the molecular formula... What is the name of the following compound applying IUPAC rules? The structural formula of a dioxin is shown below. User interface language: 18M.2.sl.TZ2.1d: Calculate the amount of H2SO4 that reacted with Mg(OH)2. Below is a schematic diagram representing some reactions of ethene. Core » Topic 10: Organic chemistry » 10.1 Fundamentals of organic chemistry. SURVEY . Papers. One possible Lewis structure for benzene is shown. Consider the composition of the species W, X, Y and Z below. Â  This question is part of the Chemistry Online Revision Course (but keep in mind that at least the first question of each topic is free!) Which are structural isomers? IB chemistry papers in general, are following the same pattern and format. What is the sum of the coefficients when the following equation is balanced using the... How many grams of sodium azide, NaN3, are needed to produce 68.1 dm3 of N2Â (g) at STP? Because the coursework from … Draw the structure of propan-2-ol. State the reagents and reaction conditions used to convert X to Y and X to Z. However, it is easily integrated into any stoichiometry question. Determine the percentage by mass of iron in the tablets. | (i) Calculate... Phosphine is usually prepared by heating white phosphorus, one of the allotropes of phosphorus,... (i) State the equation for the reaction of this oxide of phosphorus with water. Determine the value for the enthalpy of hydrogenation of ethene using the values for the... What is the IUPAC name of the following compound? What is the name of the following molecule applying IUPAC rules? Edit. Explain why this experiment might give a low result for the molar mass of butane. Which compound is an amide? The sample of K2Cr2O7(s) in (i) was dissolved in distilled water to form 0.100 dm3Â solution.... After heating 3.760 g of a silver oxide 3.275 g of silver remained. The sequence of nitrogenous bases in DNA determines hereditary characteristics. Here r my hand-written chemistry notes (got a 7): Papers. Terms and conditions Describe two features of a homologous series. exam-mate is an exam preparation and exam builder tool, containing a bank of topical and yearly past papers. The solution of palmitic acid had a concentration of 0.0034 mol dmâ3. Apply IUPAC rules to name the ester, CH3COOCH2CH3(aq). Explain why the solution suddenly changes colour. (ii) Â  Â  Predict one difference between the... What is the name of the alkane shown in the diagram below, applying IUPAC rules? The structure of a drug used to treat symptoms of Alzheimerâs disease is shown below. Phosgene is reacted... What is the major product of the reaction between 2-methylbut-2-ene and hydrogen bromide? Â  Calculate the amount, in moles, of $${\text{MnO}}_4^ -$$ ions present in... (a) Â  Â  A student added $${\text{27.20 c}}{{\text{m}}^{\text{3}}}$$ of... A sample of element X contains 69% of 63X and 31% of 65X. A. Â  Â ... (i)Â  Â  Â State the meaning of the term isomers. If there is one specific topic that you need more help with, use the Command + F function on your computer to search this guide for that subject. B. ... type of question. X to Z: The other monomer used in the production of polyurethane is compound Z shown below. Determine its empirical formula, showing your working. State an equation for each reaction. The IUPAC name of X is 4-methylpentan-1-ol. Â  2. Questions Questionbank - Option D subtopics ( the subtopics were different in the old syllabus so bear this in mind ) D1-4 - Pharmaceutical products and drug action Calculate the mass, in g, of ethanol and octane in 1.00 kg of the fuel mixture. Discuss the physical evidence for the structure of benzene. Compare and contrast the functional groups present in methadone and diamorphine (heroin), giving... State the typical reactions that benzene and cyclohexene undergo with bromine. | 0620 IGCSE Chemistry Past Paper Topic Wise Segregation Question Bank Paper download , And detailed Solution pdf past question papers downloadable Outline what is meant by an aromatic compound. Applying IUPAC rules, what is the name of the compound? Calculate the percentage composition by mass of D-fructose. Calculate the mass of the acid and determine its absolute and percentage uncertainty. Topic 9 Oxidation and reduction (IB Chemistry) The Reactivity Series of Metals, Corrosion and Redox Reaction Notes - The reactions of metals with oxygen, water and acids, displacement reactions, rusting of iron and preventing its corrosion, plus an introduction to oxidation-reduction (redox) reactions, simple cells etc. This product includes 9 IB Diploma Programme QuestionBanks, brought to you by the IB Documents Team. A. Â  Â ... State the meaning of the term structural isomers. Determine the molar mass of hydrated ethanedioic acid. Describe two features of a homologous series. (ii) Â  Â  in $${\text{c}}{{\text{m}}^{\text{3}}}$$, under the stated conditions... State the equation for the reaction between magnesium and hydrochloric acid. Determine its molecular formula given that its molar mass is... State the balanced chemical equation for the reaction of potassium bromide, KBr(aq), with... One titration was abandoned because a brown precipitate, manganese(IV) oxide, formed. Which equation represents sublimation? I. Which of the following pairs are members of the same homologous series? Explain what the square brackets around the copper containing species represent. Which expression gives the sum of all the coefficients for the general equation for the... 4.0 g of solid sodium hydroxide is added to $${\text{0.10 d}}{{\text{m}}^{\text{3}}}$$ of... Deduce the chemical equations for these two reactions. (ii) Â  Â  Explain why... Based on the types of intermolecular force present, explain why butan-1-ol has a higher boiling... One example of a homologous series is the alcohols. The molar mass of a compound is approximately $${\text{56 g}}\,{\text{mo}}{{\text{l}}^{ - 1}}$$.... Give the formulas of all the ions present in the solution. A. IB Chemistry Database Question Bank; Class Links. Apply IUPAC rules to state the name of compound 1. D. 7. A. Li + Br 2 B. Li + Cl 2 C. K + Br 2 D. K + Cl 2 (Total 1 mark) 2. Melting point III. Which compound contains a secondary carbon atom? Unit 1. Which molecule has a tertiary nitrogen? Determine the total mass of iron, in g, in the $${\text{250 c}}{{\text{m}}^{\text{3}}}$$ solution. Which organic molecule is not a structural isomer of pentan-1-ol? Calculate the amount, in mol, of NaOH(aq) used. Â  When a $$6.234 \times {10^{ - 2}}{\text{ g}}$$ of the compound was combusted,... Deduce the overall cell reaction, including state symbols. 0. Which solution contains the biggest amount, in mol, of chloride ions? (i) State the term that is used to describe molecules... (i) State the name of the functional group circled in the DHEA molecule shown below. Directly related questions. … Q. State the homologous series to which D belongs. Suggest one improvement to the investigation. Under which conditions does $${\text{C}}{{\text{H}}_{\text{4}}}$$ have the same number of... Potassium also reacts with water to form hydrogen gas. Calculate the average volume of NaOH added, in $${\text{c}}{{\text{m}}^{\text{3}}}$$, in... A gas with a molar mass ($$M$$) of $${\text{44 g}}\,{\text{mo}}{{\text{l}}^{ - 1}}$$ occupies a... What is the sum of all coefficients for the combustion of one mole of propane? Combustion of ethanol takes place according to the following unbalanced equation. Browse the question bank here. Description: Determining how the volume of a gas changes with change in temperature to calculate Absolute Zero. A.Â  Â ... X is a straight-chain structural isomer of P. Draw the structure of X. Unit 2. Compound B is related to compound A. 1. Determine the percentage by mass of chlorine in J, using the precipitation data. IB store » Don’t have a Titlewave account? Explain why the difference in their structures affects their melting points. 5.0mol of Fe2O3(s) and 6.0mol of CO(g) react according to the equation below. A compound with Mr = 102 contains 58.8 % carbon, 9.80 % hydrogen and 31 % oxygen by mass.What is... What is the pressure, in Pa, inside a 1.0 m3 cylinder containing 10 kg of H2 (g) at 25 ÂºC? In which pair are both compounds secondary? A. Â  Â  C4H10 < CH3COOH < CH3CH2CHO <... How many structural isomers of C6H14 exist? Describe two differences, other than the number of atoms, between the models ofÂ ethane and ethene... $${{\text{C}}_{\text{5}}}{{\text{H}}_{{\text{12}}}}$$ exists as three isomers. 2011. Apply IUPAC rules to state the name of this molecule. Members. The alkane contains 81.7% by mass of carbon. Which coefficients would balance this equation? Which statement is correct for members of the same homologous series? Discuss the volatility of E compared to F. Which molecule contains an ester group? State the IUPAC names of Y and Z. Which alcohols are oxidized by acidified potassium dichromate(VI) solution when heated? Any errors or mistakes please let us know. Topic 20 - Organic Chemistry (AHL) IB Chemistry (Ellesmere College) Past Paper Questions. Identify the functional groups which are present in only one structure of glucose. Which statements about solutions are correct? 45 seconds . I.Â  Â  Â C2H4II.Â  Â  Â CH3COOHIII.Â  Â  Â CH3CHO The density of ethanoic acid is $${\text{1.05 g}}\,{\text{c}}{{\text{m}}^{ - 3}}$$. A. Chemistry. Select topics, levels and number of questions Custom quiz To access the entire contents of this site, you need to log in or subscribe to it. 23 times. Which statement about a homologous series is correct? A. Â  Â  Carboxyl Unit 3: 2010. Draw the structural formulas of the two geometrical isomers of 1-chloro-but-2-ene. Suggest why isolation of the crude product involved the addition of ice-cold water. 323. Website link: www.mrwengibchemistry.com Overview: Andrew Weng (Mr Weng) is a close second behind Richard Thornley for IB Chemistry aligned online resources.Mr. What are the steps of operation in the mass spectrometer? 10th - 12th grade. The excess sulfuric acid required 20.80 cm3 of 0.1133 mol dmâ3 NaOH for... Formulate the equation for the reaction of H2SO4 with Mg(OH)2. Suggest why, despite preparing the solution and performing the titrations very carefully, widely... (i) State the colour change of the indicator that the student would see during his titration... Outline, giving your reasons, how you would carefully prepare the 1.00dm3 aqueous solution from... Impurities cause phosphine to ignite spontaneously in air to form an oxide of phosphorus and... 2.478 g of white phosphorus was used to make phosphine according to the equation: answer choices 1.1 Introduction to the particulate nature of matter and chemical change. A.Â  Â  Â 1 mol... Menthol occurs naturally and has several isomers. Glenview Park S.S. Main Page; Google Drive Login; Google Classroom; eLearning Website; Selected long answer questions are similar to what may be seen on paper 2 and 3 IB Chemistry Exams . At which temperature, in K, assuming constant pressure, is the volume of a fixed mass of gas at... Aluminium carbide reacts with water according to the equation below. Deduce a balanced chemical equation, including state symbols, for the overall reaction which will... State the equation for the reaction of... Bromoethane can be produced either from ethene or from ethane. (ii)Â  Â  Â Calculate, showing your working,... (i) Â  Â  Calculate the amount, in mol, of anhydrous magnesium sulfate. You can delete this question. Calculate the amount, in mol, of methanol burned. Formulate a balanced... Urea can be made by reacting potassium cyanate, KNCO, with ammonium chloride,Â NH4Cl. Calculate the amount, in mol, of KI in the reaction mixture. Note that the subreddit is not run by the International Baccalaureate. Determine the empirical formula of the ester, showing your working. International Baccalaureate® - BaccalaurÃ©at International® - Bachillerato Internacional® Chloroethene, C2H3Cl, can undergo polymerization. Calculate the amount, in mol, of sodium azide present. I mostly have past papers but as I have not yet studied all the chapters in chemistry, I have a hard time trying to answer to the questions that combine knowledge from multiple topics … 2 Put it together with the question bank Go to the question bank. Â  Identify the structural formula of an isomer of but-2-ene which does not decolourize bromine... State whether this reaction is SN1 or SN2. (ii) Â  Â ... (i) Â  Â  State an equation for the reaction of ethanoic acid with a solution of sodium... (i)Â  Â  Â Define the term relative atomic mass. Describe the difference in their structures. B.Â  Â  Â Sand and water A.Â  Â  Â Oil and water Terms and conditions The Chemistry question bank with 67 questions and worked out solutions. The way questions are asked throughout each topic is pretty much fixed and identical. Directly related questions. Determine the molecular formula of menthol using your answers from parts (d)(i)Â and (ii). CH4(g) + Cl2(g) â CH3Cl(g) +... Hydrogenation of propene produces propane. Q. Which represents an empirical formula? Describe what is meant by the term structural isomers. In which mixture is NaOH the limiting reagent? Z: (i) State the name, applying IUPAC rules, of compound A. Most gave a good answer to (c) (ii). Determine the structural formula of C4H9Br. Electronegativity A. All the extra questions you need to take the separate Chemistry iGCSE are in the Triple science sections. For more IB Resources, please visit our main resources page IB Documents, our sub r/IBO or our Discord. Be familiar how to interpret ions as well as neutral atoms. Suggest... (i)Â  Â  Â in mol. International Baccalaureate® - BaccalaurÃ©at International® - Bachillerato Internacional® What is the order of reaction with respect to NO 2 and F 2? All questions are set primarily by topic, not by paper. The molar mass was determined to be $${\text{131.38 g}}\,{\text{mo}}{{\text{l}}^{ - 1}}$$. Draw the full structural formulas of propane and propene. (ii) Draw a section, showing three... One important industrial use of phosgene is the production of polyurethanes. The structure of benzene originally described by August KekulÃ© is shown below. When sodium bromate(V), $${\text{NaBr}}{{\text{O}}_{\text{3}}}$$, is heated, it reacts according... (i) Â  Â  Draw a best-fit curve for the data on the graph. The combustion of urea produces water, carbon dioxide and nitrogen. Explore the drug content in tablets. Calculate the maximum volume of CO2, in cm3, produced at STP by the combustion of 0.600 g of... Urea can be made by reacting potassium cyanate, KNCO, with ammonium chloride, NH4Cl. A hydrocarbon has the empirical formula $${{\text{C}}_{\text{3}}}{{\text{H}}_{\text{7}}}$$. Which compounds can be reduced? The mass and 1H$$\,$$NMR spectra of product X are shown below. Determine the energy (in J) required to raise the temperature of 100.0 g of water from 20.0 C to 85.0 C? Which of the following are isomers of pentane? Empirical... Identify the functional group circled in the structure of oseltamivir. What is the empirical formula of the... What is the total number of protons and electrons in one mole of hydrogen gas? Which term describes the role of sodium chloride in... For which compounds is the empirical formula the same as the molecular formula? In which order should the reagents be used to convert benzene into phenylamine (aniline)? Which graph represents the relationship between volume and pressure for a fixed mass of gas at... Methanol reacts with trinitramide to form nitrogen, carbon dioxide and water. Determine the percentage by mass of carbon and hydrogen in J, using the combustion data. Determine the average oxidation state of carbon in ethene and in... Deduce the formula of the biodiesel formed when the vegetable oil shown is reactedÂ with the... State the reagents and the name of the mechanism for the nitration of benzene. EspaÃ±ol, © International Baccalaureate Organization 2018 X to Y: Deduce the empirical formula of D-fructose. List two assumptions made in this experiment. IB Documents Team; HL Paper 3. C.Â  Â  Â CH3NH2 Determining the value of Absolute Zero. B. Â  Â  Amino Which non-metal forms an oxide XO2 with a relative molecular mass of 60? I. Â  Â ... Propan-2-ol is an isomer of propan-1-ol. State and explain the further work students need to carry out in trial 2 before they can process... Magnesium chloride can be electrolysed. How many atoms of nitrogen are there in 0.50 mol of (NH4)2CO3? Calculate the amounts, in mol, of each reactant. Get the secrets. Which sample contains the largest amount, in mol, of oxygen atoms? A. Â  Â ... State the names of two functional groups in D-fructose. Apply IUPAC rules to state the names of the four compounds. Which functional group is present in paracetamol? A. A.Â  Â  Â CH3COOCH3 C.Â  Â  Â Ethanol and... Outline why repeating quantitative measurements is important. Â  Identify the homologous series to which ethanol belongs and state two features of a homologous... State two features of a homologous series. Calculate the amount, in mol, of water in 6.24 g of pentahydrated copper(II) sulfate. Calculate the percentage yield of biodiesel obtained in this process. 5.2 Natural selection. A.Â  Â  Â They have the same... State one piece of chemical evidence proving benzene does not contain alternate single and double... (i) Â  Â  Define the term structural isomers. Which is the best description of relative atomic mass, Ar? Â  I. Â  Â  It is the number of ions in 12 g... 2-bromobutane can be produced from but-2-ene. Calculate the percentage of water by mass in the NaClâ¢2H2O crystals. Deduce the structural formula of Y. Which properties are features of a homologous series? Determine the concentration of the hydrochloric acid, including units. Calculate the $${K_{\text{a}}}$$ value of benzoic acid,... State the name of one structural isomer of pentane. Determine the percentage experimental yield of the product after recrystallization. Deduce whether C4H9Br is a primary or tertiary halogenoalkane. Explain why 1-chloro-but-2-ene shows geometrical isomerism. 5.3 Classification of … Which compounds belong to the same homologous series? A. Â  Â  I and II... Bromine was added to hexane, hex-1-ene and benzene. The notes on each metal are listed in reactivity order. At 25 Â°C, $${\text{200 c}}{{\text{m}}^{\text{3}}}$$ of... What is the concentration of NaCl, in $${\text{mol}}\,{\text{d}}{{\text{m}}^{ - 3}}$$, when... A fixed mass of gas has a certain volume at a temperature of 50 Â°C. The equation for the reduction of iron(III) oxide... What is the molar mass, in $${\text{g}}\,{\text{mo}}{{\text{l}}^{ - 1}}$$, of washing soda... What is the number of ions in 0.20 mol of... Deduce the overall equation for the reaction. I take chemistry HL but all of my knowledge is equivalent to Jesse’s in this video ... sharing of knowledge and resources among IB students, alumni, and teachers. Identify the organic functional group present in both vegetable oil and biodiesel. Some sodium chloride is dissolved in water. Â  X is an isomer of C4H8 and has the structural formula shown below. Calculate the concentration of ethanoic acid, CH3COOH, in mol dmâ3. Since the topic is so small it is very easy to focus on the few required understandings and score well. IB HL topics have been folded into SL topics, so topic 2 and 12 are both in HL topic 2 revision booklets NB SL Topic 2 has been expanded to include more content that was previously examined only in HL, additional revision booklets have been included below to give you practice with these HL questions that are now part of SL So, if you hope to read about The Mole Concept, use Command + F to bring up the search function. (i) Â  Â  Deduce the structural formula of Y. Learn the most commonly asked questions for each topic of the IB Chemistry exam (and other useful tips). A. Amido Which species is an anion? 73.4k. Â  Compound C, $${{\text{C}}_{\text{4}}}{{\text{H}}_{\text{9}}}{\text{OH}}$$, can be oxidized by... State a balanced equation for the complete combustion of nonane. Determine the mass of Mg(OH)2 in the antacid tablet. A. Â  Â ... One possible Lewis structure for benzene is shown. Which compound has the greatest percentage by mass of nitrogen atoms? This sub has helped me immensely during my journey through IB so I decided to create an account and give smthing back. Which contains the largest number of ions? 4 The actual volume of hydrogen measured was lower than the calculated theoretical volume. Using relevant equations, show the initiation and the propagation steps forÂ this reaction. Which functional groups are present in... Deduce the structural formula of two isomers of the molecule above with the same functional group. Which step in a multi-step reaction is the rate determining step? IB Chemistry – SL. B. Â  Â ... State the overall redox equation when carbon monoxide reduces Fe2O3 to Fe. Unit 2. 18M.2.sl.TZ2.1f: Calculate the percentage by mass of magnesium hydroxide in the 1.24 g antacid tablet to three... 18M.2.sl.TZ2.1e: Determine the mass of Mg(OH)2 in the antacid tablet. Which sample has the greatest mass? Which structural formula represents a secondary halogenoalkane? C. 6 What are possible names of a molecule with molecular formula C4H10O? There are currently 805 questions in qBank. Which electron transition emits energy of the longest wavelength? Which compound has the empirical formula with the largest mass? A.Â  Â ... Deduce the empirical formula of D-fructose. User interface language: 2. (ii) Predict how... (i) 200.0 g of air was heated by the energy from the complete combustion of 1.00 mol phosphine.... 2.478 g of white phosphorus was used to make phosphine according to the equation: Which statements are correct about Avogadroâs constant? Draw the two possible structures of compound P. Which three compounds can be considered to be a homologous series? Which pair of elements reacts most readily? Which functional group is responsible for the pKb of 4.1 in this compound? Which of the following properties of the halogens increase from F to I? Which compound has the highest percentage of carbon by mass? When excess ammonia solution is added to a solution of copper(II) sulfate the oxidation number of the copper ion does not change but there is a noticeable colour change. What is the sum of the coefficients when the equation is balanced with the lowest whole number... Annotate the balanced equation below with state symbols. C. Â  Â ... Identify one organic functional group that can react with acidified K2Cr2O7(aq). I graduated with 44 IB points, and I'm currently studying medicinal chemistry. Atomic radius II. Does anyone have chemistry p1 or p2 questions specific for a certain topic in chemistry? The overall equation for monochlorination of methane is: Additional higher level (AHL) » Topic 12: Atomic structure » 12.1 Electrons in atoms Show 28 related questions 17N.1.hl.TZ0.6: The graph represents the first ten ionisation energies (IE) of an element.