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Bonding

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Question 11

Magnesium oxide has the formula $MgO\text{MgO}$ . The formula of the magnesium ion is $Mg2+\text{Mg}^{2+}$ .

What is the formula of the oxide ion?

A

$O−\text{O}^-$

B

$O2−\text{O}^{2-}$

C

$O2+\text{O}^{2+}$

D

$O+\text{O}^+$

Markscheme

Bonding Questions

GCSE
Chemistry
Bonding

74 exam-style questions on OCR GCSE Chemistry Bonding. Each one has a worked solution and a mark scheme showing where the marks go.

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