Group 1 Metals - Alkali Metals

Question 1

What are the group 1 metals?

Answer 1

1. lithium
2. sodium
3. potassium
4. rubidum
5. caesium
6. francium

Question 2

Why are all of the alkali metals stored under oil?

Answer 2

To stop them reacting with particles in the air such as water vapour

Question 3

Complete the word equations below:
lithium + water ->
sodium + water ->
potassium + water ->

Answer 3

lithium + water -> lithium hydroxide + hydrogen
sodium + water -> sodium hydroxide + hydrogen
potassium + water -> potassium hydroxide + hydrogen

Question 4

What is the test for hydrogen gas?

Answer 4

Hearing a squeaky pop after holding a lit splint over the test tube.