Question

in which group do most of the elements have 8 valence electrons?

Answer 1

Hi,
The answer is group 18, which contains the noble gases. All noble gases have 8 valence electrons except for helium that has 2.
Hope this helps!

Answer 2

The group in the periodic table that contains elements with 8 valence electrons is group 18.

What are valence electrons?

Valence electrons can be given as the electrons in a element that are present in the outer most shell. These electrons take part in the analyzing the reactivity, and thereby the chemical properties of an element.

The periodic table consists of groups with the valence electrons increasing on moving from left to right. The last group of the periodic table with the noble gases, group 18 consists of 8 valence electrons.

Learn more about valence electrons, here:

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