Valence Electrons Practice

Front

What are valence electrons?

Back

Electrons farthest away from the nucleus.

Front

How many electrons do atoms prefer in their valence shell for stability?

Back

8

Front

How many valence electrons does carbon have?

Back

4

Front

How do valence electrons affect an element's reactivity?

Back

If the valence shell has missing electrons, it is very reactive to attract or lose more electrons.

Front

What describes a stable element?

Back

An element that has a full valence shell of electrons.

Front

What is the maximum number of electrons that can occupy the first shell of an atom?

Back

2

Front

What is the maximum number of electrons that can occupy the second shell of an atom?

Back

8

Front

What is the significance of the octet rule in chemistry?

Back

Atoms are most stable when they have 8 electrons in their valence shell.

Front

What type of elements typically have 1 or 2 valence electrons?

Back

Metals.

Front

What type of elements typically have 5 to 7 valence electrons?

Back

Nonmetals.