History of Atomic Models

Whose model suggested that negative particles were mixed in with positively charged material - like seeds in a watermelon?

• J.J. Thomson

• Ernest Rutherford

• Niels Bohr

• Albert Einstein

Who discovered that the atom had an small, dense, positively charged center?

• Ernest Rutherford

• J.J Thomson

• Robert Millikan

• John Dalton

Place the following atomic models in order, from earliest to latest:

• B, C, A

• C, A, B

• A, C, B

• C, B, A

What can you conclude from the fact that scientists continue to update the atomic model?

• New information about atoms continues to be discovered

• Old information about atoms is completely useless

• Scientists did not have any information about atoms until a few years ago

• Scientists still have no idea what atoms look like

Which scientist saw the atom as a solid sphere?

• Dalton

• Thomson

• Rutherford

• Bohr

Who came up with this model of an atom?

• J.J. Thompson

• Ernest Rutherford

• Neils Bohr

• James Chadwick

Tags

NGSS.MS-PS1-1

Which is the correct sequence of the scientists who made major changes in the model of the atom?

• 2, 1, 4, 3, 5

• 3, 1, 5, 4, 2

• 5, 3, 2, 1, 4

• 4, 3, 2, 1, 5

Who discovered that atoms are mostly empty space?

• Dalton

• Thomson

• Rutherford

• Bohr

Which scientist was the first person responsible for proposing the idea of atoms?

• Democritus

• John Dalton

• Ernest Rutherford

• J.J. Thomson

• Niels Bohr

Which scientist was the first person responsible for proposing the discovery of the nucleus?

• Democritus

• John Dalton

• Ernest Rutherford

• J.J. Thomson

• Niels Bohr