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Atomic structure

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Question 21

Which of the following gaseous ions has the same number of unpaired electrons as a gaseous Fe2+\text{Fe}^{2+}Fe2+ ion in its ground state?

A

Cr2+\text{Cr}^{2+}Cr2+

B

Mn2+\text{Mn}^{2+}Mn2+

C

Ni2+\text{Ni}^{2+}Ni2+

D

Cu2+\text{Cu}^{2+}Cu2+

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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