The reactivity series

What determines how reactive a metal is

How easy it is to loose electrons

What is oxidation

Reaction when substance gains oxygen and looses electrons

What is reduction

Reaction when substance looses oxygen and gains electrons

Metal+oxygen →

Metal oxide

Metal oxide →

Metal+oxygen

How do metals near top of reactivity react with oxygen

Burn when heated - oxygen in air

How to metals in the middle react

Reacts when heated and when powder it burns

How to low reactivity metals react with oxygen

Some form a layer of oxide on surface but some dont react at all

Do any metals react with cold water

Only high reactivity metals to form metal hydroxide and hydrogen gas

Metal+water→

Metal hydroxide+hydrogen

Metal hydroxide+hydrogen→

Metal+water

High reactive metals react with water

Fizz, melt, float, orange/purple flame

Middle reactivity metals react with water

Fizz, float, move on surface of water but slow

Metals more reactive then hydrogen/carbon react with water

Hydrogen

Metal+acid→

Metal salt+hydrogen

Metal salt+hydrogen

Metal+acid

Hydrochloric acid

Chloride salt

Suluric acid

Sulfate salt

Nitric acid

Nitrate

High reactive metal react with acid

Explosive

Middle reactive metals react with acid

Fizz

Low reactive metals react with acid

Slow fizz or no reaction