Atomic Structure 2022

Front

What charge do protons have?

Back

Positive

Front

If a proton is added or removed from an atom, what happens?

Back

It becomes a different element.

Front

What subatomic particle is electrically neutral (no charge)?

Back

Neutron

Front

What is the mass number of an atom?

Back

The total number of protons and neutrons in the nucleus.

Front

Which atom has 4 neutrons?

Back

Li-7

Front

What is the charge of electrons?

Back

Negative

Front

What is an isotope?

Back

Atoms of the same element with different numbers of neutrons.

Front

What is the atomic number?

Back

The number of protons in the nucleus of an atom.

Front

What is the nucleus of an atom?

Back

The central part of an atom containing protons and neutrons.

Front

What is the role of neutrons in an atom?

Back

Neutrons help stabilize the nucleus.