How do you think the number of valence electrons relates to an element's chemical properties?

Electrons in the outermost shell are called valence electrons, because it is their interactions that determine the chemical properties of an element. The columns that were set up to group elements by similar chemical properties turn out to be the exact same columns defined by the number of valence electrons.

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onyebuchinnaji onyebuchinnaji · Answer 2 · 2021-11-08T14:52:21+01:00

The valence electron of an element determines the group of the element and elements in the same group have similar chemical properties.

The valence electron of an element indicates its the group of the element in the periodic table. Elements found within the same group in the periodic table have similar chemical properties.

For example:

group 1 elements (Alkali metals) have similar chemical properties
group 7 elements (halogens) have similar chemical properties

Thus, we can conclude that valence electron of an element determines the group of the element and elements in the same group have similar chemical properties.

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