Match each statement with the correct scientist.
Column A
1.
His experiments involved cathode ray tubes.
2.
His theory stated that all matter is made up of small, indivisible particles called atoms.
3.
His model of the atom was called the plum pudding model.
4.
He used the gold foil experiments to develop his model of the atom.
5.
He discovered the nucleus and the positively charged protons.
6.
His experiments showed that electrons move in energy levels around the nucleus. Electrons can move from one level to another by absorbing or releasing energy.
7.
His atomic theory states that atoms combine in small, whole-number ratios to make new substances.
8.
He discovered the negatively charged electron.
Column B
a.Niels Bohr
b.Ernest Rutherford
c.J.J. Thomson
d.John Dalton
1. c. J.J. Thomson
2. d. John Dalton
3. a. Niels Bohr
4. b. Ernest Rutherford
5. b. Ernest Rutherford
6. a. Niels Bohr
7. d. John Dalton
8. c. J.J. Thomson