ATOMIC STRUCTURE CheckPoint

Front

What is the atomic number of an atom?

Back

The atomic number is the number of protons in its nucleus.

Front

What is the center of an atom called?

Back

The center of an atom is known as the nucleus.

Front

What is an atom mostly made up of?

Back

An atom is mostly made up of empty space.

Front

Which subatomic particle has basically no mass?

Back

Electrons have basically no mass.

Front

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

Back

An atom with atomic number 6 has 6 protons.

Front

What are protons?

Back

Protons are positively charged subatomic particles found in the nucleus of an atom.

Front

What are neutrons?

Back

Neutrons are neutral subatomic particles found in the nucleus of an atom.

Front

What are electrons?

Back

Electrons are negatively charged subatomic particles that orbit the nucleus of an atom.

Front

What is the charge of a proton?

Back

The charge of a proton is positive.

Front

What is the charge of a neutron?

Back

The charge of a neutron is neutral (no charge).