atomic structure& periodic table

Question 1

describe trends in group 1 elements

Answer 1

increasing reactivity as you go down
very reactive
lower melting and boiling points
higher relative atomic mass

Question 2

describe properties of halogens

Answer 2

as you go down, gets less reactive
higher melting and boiling points
higher relative atomic mass

Question 3

describe properties of nobal gasses

Answer 3

not very reactive

boiling points increase as you go down