Atomic Theory

Front

All matter is made of _________.

Back

atoms

Tags

NGSS.MS-PS1-1

Front

Who proposed that atoms are indivisible?

Back

Dalton

Front

What atomic model did Thomson propose?

Back

Plum Pudding Model

Front

How did Rutherford discover the proton?

Back

Gold Foil Experiment

Front

True or False: The majority of an atom is made up of empty space.

Back

True

Front

What is the smallest unit of an element?

Back

Atom

Front

What are negatively charged particles in an atom called?

Back

Electrons

Front

What is the center of an atom called?

Back

Nucleus

Tags

NGSS.HS-PS1-8

Front

Who is known for the planetary model of the atom?

Back

Bohr

Front

What did Dalton's atomic theory state about compounds?

Back

Compounds are formed when atoms of different elements combine in fixed ratios.