Atoms

Front

An element is identified by

Back

its number of protons.

Front

What does the nucleus of an atom contain?

Back

Protons and neutrons.

Front

The number of protons in an atom is called the .....

Back

Atomic Number.

Front

How many neutrons does Sodium (Na) have?

Back

12.

Front

The particles with no charge in an atom are the _______.

Back

neutrons.

Front

What is an atom?

Back

The basic unit of a chemical element.

Tags

NGSS.MS-PS1-1

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.

Front

What are electrons?

Back

Negatively charged particles that orbit the nucleus of an atom.

Tags

NGSS.MS-PS2-3

Front

What is atomic mass?

Back

The weighted average mass of an atom's isotopes.