what are the group 1 metals called?

when group 1 metals dissolve in water, what colour is the solution?

low or high density?

react with non metals to form... ?

react with water to produce .. ?

when added to water form what?

the further down the group you go.. the more/less reactive the element?

the further down the group you go, the higher/lower the melting/ boiling points

what happens when lithium reacts with water?

does sodium react more or less vigorously than lithium with water?

what can happen when sodium reacts with water?