Atomic Theory

Front

The positively charged particles of an atom are the ________.

Back

Protons

Front

Which scientist discovered the current model of the atom?

Back

Schrodinger.

Front

Atom is a positively charged cloud with embedded negative electrons. Who proposed this model?

Back

Thomson.

Front

All matter is made of _________.

Back

Atoms.

Tags

NGSS.MS-PS1-1

Front

What scientist proposed the atomic model that states atoms are indivisible?

Back

Dalton.

Front

What are the three main subatomic particles of an atom?

Back

Protons, neutrons, and electrons.

Tags

NGSS.MS-PS1-1

Front

What is the charge of an electron?

Back

Negative.

Front

What is the charge of a neutron?

Back

Neutral.

Front

What is the charge of a proton?

Back

Positive.

Front

What is the nucleus of an atom composed of?

Back

Protons and neutrons.