In group 0 In group 1 In group 2 In a central block with no group number
Insulate houses Form coloured compounds Float in air Create oxygen
Group 0 Group 1 Group 2 They are in a central block with no group number
They react with sodium They have a full outer shell of electrons They have a half outer shell of neutrons They are too thin
Dentistry Aircraft fuel Airships Photocopiers
Rocket fuel Lasers Electrical conductors Soap
Light bulbs Heavy bulbs Fertilizer Fireworks