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to complete the statement.
Atoms of elements in the same group have the same number of
chemical properties.

This is why they have similar chemical properties.

Respuesta :

CrystalQueen

Answer:

Valence electrons

Explanation:

I don't exactly understand the question. However, I do know that the main commonality between elements of the same group (column) is their valence electrons. Valence electrons are very important when it comes to bonding, ionization, etc.

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