Question

in modern peroidic table how do elements belonging to same group reassemble and write 2 point​

Answer 1

Elements belonging to the same group of the periodic table have the same valence shell electronic configuration thus have the same number of valence electrons.

option B

Answer 2

Answer:

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Explanation:

the element belonging to the same group have their same valencies that show that they have same chemical properties

(2) the elements in a group have same chemical properties