Famous Chemists

Front

Who discovered the electron?

Back

JJ Thompson in 1897.

Front

What did Dalton state about matter?

Back

All matter is made up of atoms, which are the same for one substance and different for different substances.

Front

Who rearranged the periodic table based on atomic number?

Back

Henry Moseley.

Front

Which female scientist conducted research on radioactivity?

Back

Marie Curie.

Front

What is Bohr known for?

Back

Saying electrons orbit on specific paths.

Front

What did Rutherford discover?

Back

The nucleus of the atom.

Front

What is the atomic theory?

Back

The theory that all matter is composed of atoms, which are indivisible and indestructible.

Front

Who is known for the periodic law?

Back

Dmitri Mendeleev.

Front

What did Chadwick discover?

Back

The neutron.

Front

What is the significance of the gold foil experiment?

Back

It led to the discovery of the atomic nucleus.