Group 1, Alkali Metals Flashcards
1
Q
reactivity
A
high, only need to lose one electron
2
Q
reactivity increases as you go . . .
A
down
3
Q
density
A
low, soft
4
Q
when cut
A
shine to dull from layer of oxide
5
Q
melting and boiling point
A
low
6
Q
melting and boiling point increases as you go . . .
A
up
7
Q
reacts with water
A
floats and fizzes, produces metal hydroxide and hydrogen, potassium ions formed igniting hydrogen for lilac flame, increases pH
