Valence Electrons

Front

Valence electrons are in...

Back

the Outermost energy level of an atom.

Front

How many valence electrons does carbon have?

Back

4

Front

Valence electrons are:

Back

Electrons in the energy level farthest away from the nucleus.

Front

What is the significance of valence electrons in chemical bonding?

Back

Valence electrons determine how an atom can bond with other atoms.

Front

What is the maximum number of valence electrons an atom can have?

Back

8 (according to the octet rule).

Front

Which group of the periodic table has 1 valence electron?

Back

Group 1 (Alkali metals).

Front

Which group of the periodic table has 7 valence electrons?

Back

Group 17 (Halogens).

Front

What happens to an atom's reactivity as the number of valence electrons increases?

Back

Reactivity generally decreases as the number of valence electrons approaches 8.

Front

What is the term for atoms that have the same number of valence electrons?

Back

They are called isoelectronic.

Front

How do you determine the number of valence electrons in an element?

Back

By looking at its group number in the periodic table.