Atoms Atoms Atoms

Front

What does the nucleus of an atom contain?

Back

Protons and neutrons.

Front

What are the three main subatomic particles that make up an atom?

Back

Electrons, protons, and neutrons.

Tags

NGSS.MS-PS1-1

Front

What is the basic unit of matter?

Back

Atom.

Tags

NGSS.MS-PS1-1

Front

What charge does a proton have?

Back

Positive charge.

Front

What charge does a neutron have?

Back

Neutral charge.

Front

What charge does an electron have?

Back

Negative charge.

Front

What is the mass of a proton compared to an electron?

Back

A proton is approximately 1836 times more massive than an electron.

Front

Where are electrons located in an atom?

Back

In the electron cloud surrounding the nucleus.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is the significance of the atomic mass of an element?

Back

It is the weighted average mass of an atom's isotopes.

Tags

NGSS.MS-PS1-5