Atomic Parts, atoms Flashcard 2024

Front

What is an atom?

Back

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

Front

What are protons?

Back

Positively charged subatomic particles found in the nucleus of an atom.

Front

What are neutrons?

Back

Neutral subatomic particles found in the nucleus of an atom.

Front

What are electrons?

Back

Negatively charged subatomic particles that orbit the nucleus of an atom.

Front

What is the atomic number?

Back

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

Front

What is the mass number?

Back

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

Front

How do you determine the number of electrons in a neutral atom?

Back

In a neutral atom, the number of electrons equals the number of protons.

Front

What is a molecule?

Back

A group of two or more atoms bonded together.

Front

What is an ion?

Back

An atom or molecule that has gained or lost one or more electrons, resulting in a charge.

Front

What is a compound?

Back

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