Atomic Review

Front

What is the atomic number?

Back

The atomic number is the number of protons in the nucleus of an atom, which determines the element's identity.

Front

What does the atomic mass represent?

Back

The atomic mass is the weighted average mass of an element's isotopes, measured in atomic mass units (amu).

Front

What is a chemical symbol?

Back

A chemical symbol is a one or two-letter abbreviation used to represent an element on the periodic table.

Front

What is an element name?

Back

The element name is the name given to a specific type of atom, such as Hydrogen, Oxygen, or Carbon.

Front

How many protons does an atom of Nitrogen have?

Back

An atom of Nitrogen has 7 protons.

Front

What charge does an electron have?

Back

An electron has a negative charge.

Front

Which particle has a positive charge?

Back

A proton has a positive charge.

Front

What is a neutron?

Back

A neutron is a subatomic particle found in the nucleus of an atom that has no charge.

Front

What are ions?

Back

Ions are atoms that have gained or lost one or more electrons, resulting in a positive or negative charge.

Front

What is the difference between a cation and an anion?

Back

A cation is a positively charged ion, while an anion is a negatively charged ion.