Atomic Theory

Front

James Chadwick discovered the ________.

Back

neutron

Front

Which word would closely define the term "atomos"?

Back

Indivisible

Front

This scientist performed the Cathode Ray Tube experiment and proposed the Plum Pudding Model of the atom.

Back

Thomson

Front

All matter is made of what?

Back

atoms

Front

This scientist believed that electrons orbit the nucleus.

Back

Bohr

Front

What is the smallest unit of an element?

Back

atom

Front

Who proposed the first atomic theory?

Back

Dalton

Front

What particle has a positive charge?

Back

proton

Front

What is the center of an atom called?

Back

nucleus

Front

What is the charge of an electron?

Back

negative