Introduction to Atoms

Front

What does the nucleus of an atom contain?

Back

Protons and Neutrons.

Front

Which letter represents a neutron?

Back

A.

Front

Which letter represents the nucleus?

Back

D.

Front

Which letter represents a proton?

Back

B.

Front

What is the atomic mass of the atom pictured?

Back

19.

Front

What is an atom?

Back

The smallest unit of matter that retains the properties of an element.

Front

What are protons?

Back

Positively charged particles found in the nucleus of an atom.

Front

What are neutrons?

Back

Neutral particles found in the nucleus of an atom.

Front

What are electrons?

Back

Negatively charged particles that orbit the nucleus of an atom.

Front

What is the atomic number?

Back

The number of protons in the nucleus of an atom.