Ions

Front

What are ions?

Back

Ions are charged particles that form when atoms gain or lose electrons.

Front

What is a cation?

Back

A cation is a positively charged ion that forms when an atom loses one or more electrons.

Front

What is an anion?

Back

An anion is a negatively charged ion that forms when an atom gains one or more electrons.

Front

How many valence electrons do elements in Group 1 have?

Back

Elements in Group 1 have 1 valence electron.

Front

How many valence electrons do elements in Group 2 have?

Back

Elements in Group 2 have 2 valence electrons.

Front

How many valence electrons do elements in Group 13 have?

Back

Elements in Group 13 have 3 valence electrons.

Front

How many valence electrons do elements in Group 14 have?

Back

Elements in Group 14 have 4 valence electrons.

Front

How many valence electrons do elements in Group 15 have?

Back

Elements in Group 15 have 5 valence electrons.

Front

How many valence electrons do elements in Group 16 have?

Back

Elements in Group 16 have 6 valence electrons.

Front

What is the octet rule?

Back

The octet rule states that atoms tend to gain, lose, or share electrons to achieve a full outer shell of 8 electrons.