Year 9 Science - Group 7 Halogen

Year 9 Science - Group 7 Halogen

Multiple Choice

Which gas is released when the alkali metals react with water?

• hydrogen

• oxygen

• hydroxide

• carbon dioxide

Multiple Choice

What happens to the melting point of the alkali metals as you move down the group?

• decreases

• increases

Multiple Choice

Is hydrogen an alkali metal?

• no

• yes

• maybe

Multiple Choice

What happens to the atomic radius of the alkali metals as you move down the group?

• increase

• decrease

Multiple Choice

Which alkali metal is most reactive out of the following

• rubidium

• potassium

• sodium

• lithium

Multiple Choice

True or false: Alkali Metals are so soft they can be cut with a knife?

• True
• False

Multiple Choice

Which group are the Alkali Metals found in?

• Group 1

• Group 2

• Group 6

• Group 7

Multiple Choice

What state is fluorine at room temperature?

• solid
• liquid
• gas

Multiple Choice

At room temperature, chlorine is...

• a green gas

• a brown gas

• a green liquid

• a brown liquid

Multiple Choice

Which Halogen has the lowest melting point?

• Fluorine

• Bromine

• Iodine

• Chlorine

Multiple Choice

At room temperature, iodine is a....

• Gas

• Liquid

• Solid

Multiple Choice

Which Halogen is the most reactive?

• Bromine

• Fluorine

• Iodine

• Chlorine

Multiple Choice

True or false? Halogens are good conductors of heat and electricity.

• True

• False

Multiple Choice

True or false? Halogens are metals.

• True

• False

Multiple Choice

How many electrons are there on the outer shell of the Halogens?

• 1

• 2

• 7

• 9