Atoms Review

Front

What is the positively charged particle in an atom?

Back

Proton.

Front

What particles are found in the nucleus of an atom and do NOT have a charge?

Back

Neutrons.

Front

In atomic models, which label typically represents the electron?

Back

A (or the label designated for electrons in the model).

Front

What is the term for the total number of protons and neutrons in an atom?

Back

Mass number.

Front

What charge does an atom have if it has more protons than electrons?

Back

Positively charged (+ Ion).

Front

What is the charge of a proton?

Back

Positive.

Front

What is the charge of a neutron?

Back

Neutral (no charge).

Front

What is the charge of an electron?

Back

Negative.

Tags

NGSS.MS-PS2-3

Front

What is the nucleus of an atom composed of?

Back

Protons and neutrons.

Tags

NGSS.MS-PS1-1

Front

How do you determine the atomic number of an element?

Back

By counting the number of protons in the nucleus.