TehBrain TehBrain

09-02-2017
Physics

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Why do elements in the same group or column of the periodic table have similar properties?

A.
They have the same number of protons.

B.
They have the same number of electron shells.

C.
They have the same number of outer shell electrons.

D.
They have the same number of neutrons.

Respuesta :

brockrohn brockrohn

09-02-2017

In the periodic table, elements in the same group or family have similar chemicalproperties because they have the same number of valence electrons in their outer shells.

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