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Atomic structure

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Question 11
72%

Which row contains two species with different numbers of electrons?

A

CO\text{CO}CO and CN−\text{CN}^-CN−

B

H2S\text{H}_2\text{S}H2​S and PH3\text{PH}_3PH3​

C

NH4+\text{NH}_4^+NH4+​ and PH4+\text{PH}_4^+PH4+​

D

CO2\text{CO}_2CO2​ and N2O\text{N}_2\text{O}N2​O

Markscheme

Atomic structure Questions

  1. A Level
  2. /Chemistry
  3. /Atomic structure

33 exam-style questions on AQA A Level Chemistry Atomic structure, covering Fundamental particles, Mass number and isotopes, and Electron configuration. Each one has a worked solution and a mark scheme showing where the marks go.

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