Atomic Structure

Front

Which two subatomic particles make up the nucleus of an atom?

Back

Protons and Neutrons

Front

Subatomic particles with a negative charge are called?

Back

Electrons

Front

What is the mass number?

Back

The number of protons and neutrons in the nucleus.

Front

Where are the Electrons found in the structure of an atom?

Back

In spaces around the nucleus.

Front

What does the 6 represent in atomic notation?

Back

Atomic number.

Front

What are protons?

Back

Positively charged subatomic particles found in the nucleus.

Front

What are neutrons?

Back

Neutral subatomic particles found in the nucleus.

Front

What is an electron cloud?

Back

The region around the nucleus where electrons are likely to be found.

Front

What is the atomic number?

Back

The number of protons in the nucleus of an atom.

Front

What is the difference between atomic mass and mass number?

Back

Atomic mass is the weighted average of an element's isotopes, while mass number is the total number of protons and neutrons.