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 of an atom?

Back

Protons, neutrons, and electrons.

Front

What charge does a proton carry?

Back

Positive charge.

Front

What charge does an electron carry?

Back

Negative charge.

Front

What charge does a neutron carry?

Back

Neutral charge.

Front

Where are protons and neutrons located in an atom?

Back

Inside the nucleus.

Front

What is the nucleus of an atom?

Back

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

Front

What is the role of electrons in an atom?

Back

Electrons orbit the nucleus and are involved in chemical bonding.

Front

What determines the atomic number of an element?

Back

The number of protons in the nucleus.

Front

What is the mass number of an atom?

Back

The total number of protons and neutrons in the nucleus.