Atomic Structure

Front

What are negatively charged particles that are in the orbitals around the nucleus?

Back

Electrons

Front

How many neutrons are in the nucleus of copper-63?

Back

34

Front

What is at the center of every atom?

Back

A nucleus

Front

What are isotopes?

Back

Atoms that have the same number of protons but different mass numbers.

Front

Isotopes of an element have a different number of...

Back

Neutrons

Front

What are protons?

Back

Positively charged particles found in the nucleus of an atom.

Front

What is the atomic number?

Back

The number of protons in the nucleus of an atom.

Front

What is the mass number?

Back

The total number of protons and neutrons in an atom's nucleus.

Front

What is the difference between an atom and a molecule?

Back

An atom is the smallest unit of an element, while a molecule is a group of two or more atoms bonded together.

Front

What is the charge of a neutron?

Back

Neutrons have no charge (they are neutral).