Question

explain why all elements of the group have similar chemical properties and all elements of period have different chemical properties​

Answer 1

Answer:

Here is your answer ⬇️

Explanation:

Elements in the same group have similar properties because they have the same number of valence electrons in their outermost shell. Elements in the same period have different properties because the number of valence electrons in their outermost shells differ.

Hope it's helps you