9701/13

Chemistry 9701/13May/June 2020

Cambridge AS Level · answer key with instant marking and worked solutions

40
questions
40
marks
60
minutes

Topics Atoms, Molecules and Stoichiometry · Electrochemistry · Group 2 · Introduction to Organic Chemistry · Hydrocarbons · Carboxylic Acids and Derivatives · +14 more

Tap an option under each question to check it — your score builds as you go.

Q11MAtomic StructureFree sample

Which particle has equal numbers of protons and neutrons and an electronic structure of 1exts22exts22extp63exts23extp61 ext{s}^2 2 ext{s}^2 2 ext{p}^6 3 ext{s}^2 3 ext{p}^6?

Options

A   1839extAr^{39}_{18} ext{Ar}
B   2040extCa2+^{40}_{20} ext{Ca}^{2+}
C   816extO2^{16}_{8} ext{O}^{2-}
D   1632extS^{32}_{16} ext{S}

The rest of this paper

39 more questions
  • Q2Chemical Bonding1M
  • Q3States of Matter1M
  • Q4Chemical Energetics1M
  • Q5Electrochemistry1M
  • Q6Equilibria1M
  • Q7Atoms, Molecules and Stoichiometry · Analytical Techniques1M
  • Q8Atomic Structure1M
  • Q9Chemical Bonding1M
  • Q10Electrochemistry1M
  • Q11Equilibria1M
  • Q12Nitrogen and Sulfur · Group 21M
  • Q13Group 171M
  • Q14Group 21M
  • Q15Electrochemistry1M
  • Q16Nitrogen and Sulfur · Electrochemistry · Reaction Kinetics1M
  • Q17Group 171M
  • Q18Group 21M
  • Q19Chemical Periodicity1M
  • Q20Introduction to Organic Chemistry · Hydrocarbons1M
  • Q21Carboxylic Acids and Derivatives1M
  • Q22Hydroxy Compounds · Atoms, Molecules and Stoichiometry1M
  • Q23Halogen Compounds · Nitrogen Compounds1M
  • Q24Introduction to Organic Chemistry · Carbonyl Compounds1M
  • Q25Analytical Techniques · Carboxylic Acids and Derivatives1M
  • Q26Hydroxy Compounds · Carboxylic Acids and Derivatives1M
  • Q27Halogen Compounds · Hydrocarbons1M
  • Q28Hydrocarbons1M
  • Q29Atoms, Molecules and Stoichiometry · Carboxylic Acids and Derivatives1M
  • Q30Introduction to Organic Chemistry1M
  • Q31Atoms, Molecules and Stoichiometry1M
  • Q32Chemical Bonding · States of Matter1M
  • Q33Chemical Energetics1M
  • Q34Reaction Kinetics1M
  • Q35Group 21M
  • Q36Chemical Periodicity1M
  • Q37Carbonyl Compounds1M
  • Q38Halogen Compounds1M
  • Q39Hydrocarbons · Atoms, Molecules and Stoichiometry1M
  • Q40Introduction to Organic Chemistry1M
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