Ions-Cations & Anions

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 charge does a sulfur ion have when it forms an anion?

Back

S^-2

Front

How many valence electrons does Lithium have?

Back

1

Front

What charge will an aluminum ion have?

Back

3+

Front

What charge does an atom have after gaining one electron?

Back

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

Back

Na⁺ (1+) because it loses one electron.