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, formed when an atom loses one or more electrons.

Front

What is an anion?

Back

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

Front

What is the charge of a sodium ion (Na)?

Back

The charge of a sodium ion (Na) is 1+.

Front

What is the charge of a chloride ion (Cl)?

Back

The charge of a chloride ion (Cl) is 1-.

Front

What is the charge of a nitrogen ion (N)?

Back

The charge of a nitrogen ion (N) is 3-.

Front

What is the charge of a sulfur ion (S)?

Back

The charge of a sulfur ion (S) is 2-.

Front

How do you determine the charge of an ion?

Back

The charge of an ion is determined by the difference between the number of protons and electrons in an atom.

Front

What does the notation Cl⁻ represent?

Back

Cl⁻ represents a chloride ion, which has gained one electron and has a charge of 1-.

Front

What does the notation Na⁺ represent?

Back

Na⁺ represents a sodium ion, which has lost one electron and has a charge of 1+.