Question

What properties do the elements in the first 2 columns of the periodic table share with each other?

Answer 1

Explanation:

The elements in each group have the same number of electrons in the outer orbital. Those outer electrons are also called valence electrons. They are the electrons involved in chemical bonds with other elements. Every element in the first column (group one) has one electron in its outer shell.

Answer 2

Answer:

The elements in each group have the same number of electrons in the outer orbital. Those outer electrons are also called as valence eletrons They are the electrons involved in chemical bonds with other elements .

Explanation:

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