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Atoms and reactions

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Question 4
73%

Which lithium compound contains the greatest percentage by mass of lithium?

[Relative atomic masses, ArA_rAr​: H=1.0H = 1.0H=1.0; Li=6.9Li = 6.9Li=6.9; N=14.0N = 14.0N=14.0; O=16.0O = 16.0O=16.0]

A

lithium hydroxide

B

lithium nitride

C

lithium oxide

D

lithium hydride

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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