Atomic Structure

Front

What is the atomic number?

Back

The atomic number is the number of protons in the nucleus of an atom, which determines the element's identity.

Front

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

Back

Protons and Neutrons.

Front

What are subatomic particles that are neutral in charge?

Back

Neutrons.

Front

What is the atomic mass of Neon?

Back

The atomic mass of Neon is approximately 20.

Front

What are subatomic particles with a negative charge?

Back

Electrons.

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 mass of a neutron compared to a proton?

Back

Neutrons have a mass similar to that of protons, but they are slightly heavier.

Front

What is an isotope?

Back

Isotopes are variants of a particular chemical element that have the same number of protons but different numbers of neutrons.

Front

How do you calculate the atomic mass of an element?

Back

The atomic mass is calculated by adding the number of protons and neutrons in the nucleus.