Question

atoms of element belongs to some group of periodic table will have​

Answer 1

Answer:

Each column is called a group. 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.

Explanation:

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Answer 2

Answer:

Modern periodic table is based on atomic number of elements and elements of a group have same number of electrons in their valence shell.

Explanation:

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