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Atoms and reactions

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Question 42
92%

An element M M\,M belongs to Group 2 of the Periodic Table, and an element A A\,A belongs to Group 15 (5).

What is the empirical formula of the stable ionic compound formed between M M\,M and AAA?

A

M2A5M_2A_5M2​A5​

B

M3A2M_3A_2M3​A2​

C

M2A3M_2A_3M2​A3​

D

MA2MA_2MA2​

Markscheme

Atoms and reactions Questions

  1. A Level
  2. /Chemistry
  3. /Atoms and reactions

199 exam-style questions on OCR A A Level Chemistry Atoms and reactions, covering Atomic structure and isotopes, Compounds, formulae and equations, Amount of substance, Acids, and Redox. Each one has a worked solution and a mark scheme showing where the marks go.

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