Question

Why group 1 elements are very reactive metals?

Answer 1

Answer:

reactivity of group 1 elements increases as you go down the group because: the atoms become larger. the outer electron becomes further from the nucleus. the force of attraction between the nucleus and the outer electron decreases.

Explanation:

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Answer 2

Answer:

They have only one outermost electron which is easier to release.

Explanation:

Since they have very low ionisation enthalpy