Alkalis, Halogens and Noble gasses

What group are the alkalis in?

Group 1

Alkalis are ?

Metals

Alkalis are ? when cut

Shiny

What happens to alkalis in the air

Dull quickly

When reacting quickly with cold water, what do alkalis form?

Alkaline solution and hydrogen

What are alkalis all stored under?

Oil

What group are the halogens in?

Group 7

Halogens are ?

Non-metals

What do halogens exist as?

Diatomic molecules

what is a diatomic molecule?

A molecule composed of exactly two atoms, which are chemically bonded together

What do halogens react quickly with?

Metals

What group are noble gasses in?

Group 8

Noble gasses are ?

Non-metal gasses

What do noble gasses exist as?

Single atoms (monatomic)

All noble gasses are ?

Very unreactive

Why are all alkalis stored under oil?

To prevent them from reacting with oxygen and water in the air