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2.3 Ionic bonding

2.3 Ionic bonding

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Question 19

Sodium oxide has the formula Na2O\text{Na}_2\text{O}Na2​O.

Sodium oxide contains Na+\text{Na}^+Na+ and O2−\text{O}^{2-}O2− ions.

The atomic number of sodium is 11.

What is the electronic configuration of the Na+\text{Na}^+Na+ ion?

A

2.8

B

2.8.1

C

2.8.2

D

2.8.8

Markscheme

2.3 Ionic bonding Questions

  1. GCSE
  2. /Chemistry
  3. /2.3 Ionic bonding

32 exam-style questions on Edexcel GCSE Chemistry 2.3 Ionic bonding, covering 2.3.1 Ions and the formation of ionic bonds, 2.3.2 Naming and deducing formulae of ionic compounds, and 2.3.3 Giant ionic lattices. Each one has a worked solution and a mark scheme showing where the marks go.

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