Intro to Atoms

Front

What is an atom?

Back

An atom is the smallest unit of matter that retains the properties of an element.

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

What charge do protons carry?

Back

Protons carry a positive charge.

Front

What charge do electrons carry?

Back

Electrons carry a negative charge.

Front

What is the charge of neutrons?

Back

Neutrons have no charge; they are neutral.

Front

What is the nucleus of an atom?

Back

The nucleus is the central part of an atom, containing protons and neutrons.

Front

What determines the atomic number of an element?

Back

The atomic number is determined by the number of protons in the nucleus.

Front

How does changing the number of protons affect an atom?

Back

Changing the number of protons changes the element and its charge.

Front

What happens if you change the number of neutrons in an atom?

Back

Changing the number of neutrons creates an isotope of the element.