Question

properties of elements in the periodic table
1. by group
2.by period
First n best answer will be brainliest
urgent answers​

Answer 1

Answer:

Atomic Size: From top to bottom in a group, the size of atom increases as a new shell to the atom.

Valence Electrons(V.E) : Number of valence electrons in a group are same.

Valency: All elements in a group generally have the same valency.

Answer 2

Answer:

the follows my answer

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