Chemistry Review

Front

How many valence electrons does Nitrogen have?

Back

5 Valence electrons.

Front

How many valence electrons does Helium have?

Back

2 Valence electrons.

Front

If metals are more likely to lose electrons, they will form...

Back

Positive ions.

Front

What is the correct formula for Hydrogen + Hydrogen?

Back

H₂.

Front

Atoms that gain electrons become...

Back

Negatively charged.

Front

What are valence electrons?

Back

Electrons in the outermost shell of an atom that are involved in chemical bonding.

Front

What is an anion?

Back

A negatively charged ion formed when an atom gains electrons.

Front

What is a cation?

Back

A positively charged ion formed when an atom loses electrons.

Front

What is the octet rule?

Back

Atoms tend to gain, lose, or share electrons to achieve a full outer shell of eight electrons.

Front

What is the chemical formula for water?

Back

H₂O.