The Group I metals lithium, sodium and potassium display patterns in their melting points and in how they react with water. Which statement is correct as you move down the group from lithium to potassium?
- ATheir melting points decrease and their reaction with water becomes less vigorous.
- BTheir melting points decrease and their reaction with water becomes more vigorous.
- CTheir melting points increase and their reaction with water becomes less vigorous.
- DTheir melting points increase and their reaction with water becomes more vigorous.