Ions

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 the charge of an atom that has gained one electron?

Back

-1

Front

What is the charge of an atom that has lost two electrons?

Back

+2

Front

How many protons does an atom with atomic number 6 have?

Back

6

Front

What is the relationship between protons and electrons in a neutral atom?

Back

In a neutral atom, the number of protons equals the number of electrons.

Front

What is the overall charge of an ion?

Back

The overall charge of an ion is calculated as Protons - Electrons.

Front

What happens to an atom when it gains valence electrons?

Back

It becomes a negative ion.

Front

What happens to an atom when it loses valence electrons?

Back

It becomes a positive ion.

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.