Chemistry Review

Front

What is an atom?

Back

The basic unit of matter, consisting of a nucleus surrounded by electrons.

Front

What are protons?

Back

Positively charged particles found in the nucleus of an atom.

Front

What are neutrons?

Back

Neutral particles found in the nucleus of an atom, contributing to atomic mass.

Front

What are electrons?

Back

Negatively charged particles that orbit the nucleus of an atom.

Front

What is the nucleus of an atom?

Back

The center of an atom, composed of protons and neutrons.

Front

What is atomic mass?

Back

The weighted average mass of an atom's isotopes, typically measured in atomic mass units (amu).

Front

What is a covalent bond?

Back

A chemical bond formed when two atoms share one or more pairs of electrons.

Front

What is an element?

Back

A pure substance that cannot be broken down into simpler substances by chemical means.

Front

What is a molecule?

Back

A group of two or more atoms bonded together, representing the smallest fundamental unit of a chemical compound.

Front

What is a compound?

Back

A substance formed when two or more different elements are chemically bonded together.