alkali metals Flashcards
1
Q
3 properties of alkali metals
A
alkali metals:
- all have one outer electron
- have low melting and boiling points as well being very soft
- they lose their outer electron so easily
2
Q
the more readily a metal loses ________
A
its outer electrons, the more reactive it is
3
Q
as you go___ the metals in group 1, they become more___
A
- down
- reactive
4
Q
what causes the outer electron to be so easily lost?
A
it’s further away from the positive nucleus
so it’s less attracted to the nucleus, needing less energy for it to be removed
5
Q
what grp is alkali metals
A
grp 1
6
Q
alkali metal + water
A
metal hydroxide + hydrogen