Question

Why does the reactivity of elements increase moving from left to right on the periodic table?

A) Atoms of elements more easily let go of their valence electrons
B) atoms of elements are closer to filling their valence shell with electrons
C) the valence shells of each
elements atoms get smaller

Pick one

Answer 1

Atoms of elements are closer to filling their valence shell with electrons.

Explanation: i did the test and got it correct

Answer 2

C.) the valence shells of each elements atoms get smaller

Step-by-step explanation:

I did the test and got it right