Atomic Structure

Front

What is the charge of a neutron?

Back

Neutrons have no charge (neutral).

Front

List the three main subatomic particles.

Back

Protons, Electrons, Neutrons.

Front

What is the charge of a proton?

Back

Protons have a positive charge.

Front

What is the charge of an electron?

Back

Electrons have a negative charge.

Front

What is the nucleus of an atom?

Back

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

Front

How many protons are in a hydrogen atom?

Back

A hydrogen atom has 1 proton.

Front

What is the atomic number of an element?

Back

The atomic number is the number of protons in the nucleus of an atom.

Front

What is the mass number of an atom?

Back

The mass number is the total number of protons and neutrons in the nucleus.

Front

How many electrons can fit in the first energy level of an atom?

Back

The first energy level can hold up to 2 electrons.

Front

How many electrons can fit in the second energy level of an atom?

Back

The second energy level can hold up to 8 electrons.