the side that group 1 is on
left
other name for group 1
alkali metals
the least reactive metal of group 1
hydrogen
what group 1 reacts vigorously with (1)
air
burns with a yellow/orange flame
sodium
all like this when cut with a knife
soft
the particle state group 1 is in
solid
the most reactive metal of group 1
francium
burns with a lilac flame
potassium
what group 1 reacts vigorously with (2)
water
burns with a red flame
lithium
the direction in which group 1 metals get more reactive towards water
down