Atomic Theory Scientists

Front

Who proposed that electrons could go between orbits while releasing specific amounts of energy?

Back

Bohr

Front

What scientist described the atom as having a small dense nucleus surrounded by electrons?

Back

Rutherford

Front

Which scientist is known for founding the electron?

Back

Thomson

Front

Who stated that all matter is made of atoms?

Back

Dalton

Front

What does the nucleus of an atom contain?

Back

Protons and neutrons

Front

What is the main idea of Dalton's atomic theory?

Back

All matter is made of atoms, which are indivisible and indestructible.

Front

What did Thomson discover about the atom?

Back

He discovered the electron and proposed the 'plum pudding' model.

Front

What is the significance of Rutherford's gold foil experiment?

Back

It led to the discovery of the atomic nucleus.

Front

What does the term 'atomic number' refer to?

Back

The number of protons in the nucleus of an atom.

Front

What is the charge of a proton?

Back

Positive.