Question

What do all the elements of the same group have similar properties​

Answer 1

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

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Answer 2

Answer:

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Explanation:

It is because The elements in the same group has similar number of valence electron.