Ions and Charges

Front

What is an ion?

Back

An ion is an atom or molecule that has a net electrical charge due to the loss or gain of one or more electrons.

Front

What is a cation?

Back

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

Front

What types of elements become cations?

Back

All metals become cations.

Front

What is an anion?

Back

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

Front

What is the charge on a chloride ion?

Back

The charge on a chloride ion is -1.

Front

What are valence electrons?

Back

Valence electrons are the electrons in the outermost shell of an atom that are involved in forming bonds.

Front

How many valence electrons does Carbon have?

Back

Carbon has 4 valence electrons.

Front

What charge will an atom with 3 valence electrons have as an ion?

Back

An atom with 3 valence electrons will have a charge of +3 as an ion.

Front

How many valence electrons does Neon have?

Back

Neon has 8 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.