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Formulae and equations

Why is magnesium oxide written MgO rather than Mg2O2?

A

Ionic formulae use the simplest whole-number ion ratio.

B

Ionic formulae use the actual number of ions present.

C

Ionic formulae use the relative masses of the ions.

D

Ionic formulae use an equal number of each ion.

Formulae and equations Flashcards

  1. A Level
  2. /Chemistry
  3. /Formulae and equations

Flashcards for Edexcel A Level Chemistry Formulae and equations, covering the key terms, definitions and equations you need to recall for Paper 1, Paper 2 and Paper 3. 23 cards, matched to the Edexcel A Level Chemistry (9CH0) specification.