Metals and Water

Which of the following elements react quickly with cold water?

• Sodium

• Iodine

• Helium

• Hydrogen

What happens when metals react with water?

• Hydrogen gas is formed

• Metal hydroxide and hydrogen gas is formed

• Metal hydroxide is formed

• Metal oxide is formed

When potassium reacts with oxygen in the air what happens?

• it brings out bubbles

• it turns into green

• it will stay the same

• it catches fire

What happens when gold reacts with cold water?

• the gold will melt

• the gold will turn into light yellow

• nothing, the gold can't react with cold water

how does the iron reacts with oxygen?

• it reacts quickly

• it reacts slowly

• it reacts very quickly

• no reaction

select as much as you want the properties of metals from the given properties

• High melting point

• strong

• ductile

• malleable