Atomic Theory

Front

Which scientist discovered the electron?

Back

Thomson

Front

Whose model of the atom is pictured? Options: Rutherford, Thomson, Dalton, Bohr

Back

Bohr

Front

What did Rutherford discover about atoms?

Back

An atom is mostly empty space, but has a dense positively charged center (nucleus)

Front

Whose atomic model is shown? Options: Bohr, Dalton, Thomson, Rutherford

Back

Thomson

Front

What 2 particles would you find in the nucleus of an atom?

Back

Protons and Neutrons

Front

What particle has no charge?

Back

Neutron

Front

Who came up with the first atomic theory?

Back

Dalton

Front

Dalton's theories: Which one is incorrect?

• All atoms of the same element are identical
• All matter is made of atoms
• Compounds contain different atoms
• Atoms of different atoms can combine in whole number ratios

Back

All atoms of the same element are identical

Front

Rutherford did experiments to show -

Back

Atoms are mostly empty space

Front

The scientist credited for discovering the nucleus is -

Back

Rutherford