Atomic Theory

Front

JJ Thomson discovered what subatomic particle?

Back

electron

Front

Rutherford discovered what part of the atom?

Back

nucleus

Front

First person to propose the concept of an atom

Back

Democritus

Front

Who proposed the theory that atoms orbit the nucleus in specific orbits?

Back

Bohr

Front

This particle balances the charges from the protons to make the atom neutral

Back

electron

Front

These particles are found in the nucleus

Back

protons and neutrons

Front

Thomson Experimented with ______

Back

cathode rays

Front

Which Scientist created this model: Democritus, Chadwick, Bohr, Rutherford?

Back

Bohr

Front

Which scientist developed the atomic theory?

Back

Dalton

Front

The smallest unit of a pure substance that has the properties of that substance. Options: element, atom, neutron, compound

Back

atom