Question

which physical property of Alkali metal group decreases down the group?​

Answer 1

Answer:

Both the melting and boiling points decrease down the group. When any of the Group 1 metals is melted, the metallic bond is weakened enough for the atoms to move more freely, and is broken completely when the boiling point is reached.

Hope it helps..

Answer 2

Explanation:

same as the first answer is appsolutely right