Atomic Structure

Front

What is the charge of a neutron?

Back

Neutrons have no charge (neutral).

Front

What particle uniquely identifies an element?

Back

The number of protons in an atom identifies an element.

Front

What is matter made of?

Back

All matter is made of atoms.

Front

True or False: Compounds are made of two or more different elements.

Back

True.

Front

What is the mass of a proton?

Back

The mass of a proton is approximately 1 atomic mass unit (amu).

Front

What is the mass of a neutron?

Back

The mass of a neutron is approximately 1 atomic mass unit (amu).

Front

What is the mass of an electron?

Back

The mass of an electron is approximately 0.0005 atomic mass units (amu).

Front

What are the three main subatomic particles?

Back

Protons, neutrons, and electrons.

Front

Where are protons located in an atom?

Back

Protons are located in the nucleus of an atom.

Front

Where are neutrons located in an atom?

Back

Neutrons are located in the nucleus of an atom.