Question

why do all the elements of same gruop have similar properties?​

Answer 1

Explanation:

All the elements of a group have similar chemical properties because they have same no. of valence electrons in their outermost shell. (ii) All the elements of a period have different chemical properties because they have different no.

Answer 2

Answer:

(i) All the elements of a group have similar chemical properties because they have same no. of valence electrons in their outermost shell. (ii) All the elements of a period have different chemical properties because they have different no.

Explanation:

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