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The Periodic Table

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Question 9

Sodium is an element in Group 1 of the Periodic Table.

When sodium burns in oxygen, it forms sodium oxide.

a.

Describe two observations made when sodium burns in oxygen.

[2]
b.

Sodium oxide is

  • A an acidic oxide formed from a metal
  • B an acidic oxide formed from a non-metal
  • C a basic oxide formed from a metal
  • D a basic oxide formed from a non-metal
[1]
c.

A sample of the product, sodium oxide, is dissolved in water and tested with damp red litmus paper.

State the final colour of the litmus paper.

[1]
d.

Identify the ion responsible for this colour.

[1]

The Periodic Table Questions

  1. IGCSE
  2. /Chemistry
  3. /The Periodic Table