Atoms & Molecules

Front

What is an atom?

Back

The basic unit of an element, consisting of protons, neutrons, and electrons.

Front

What are the three particles that make up an atom?

Back

Protons, neutrons, and electrons.

Front

What is a proton?

Back

A positively charged subatomic particle located at the center of an atom.

Front

What is a neutron?

Back

A subatomic particle with no charge located at the center of an atom.

Front

What is an electron?

Back

A negatively charged subatomic particle that orbits the nucleus of an atom.

Front

What is the nucleus of an atom?

Back

The center of an atom, made up of protons and neutrons.

Front

What is a molecule?

Back

Two or more atoms bonded together.

Front

What is the Periodic Table of Elements?

Back

A chart of all known elements that provides information about their atomic structure and reactivity.

Front

How do atoms form molecules?

Back

Atoms combine through chemical reactions to form molecules.

Front

What is matter?

Back

Anything that has mass and takes up space.