Question

Match each statement with the correct scientist.

Column A
1.
He used the gold foil experiments to develop his model of the atom.:
He used the gold foil experiments to develop his model of the atom.
2.
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.:
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.
3.
His atomic theory states that atoms combine in small, whole-number ratios to make new substances.:
His atomic theory states that atoms combine in small, whole-number ratios to make new substances.
4.
His theory stated that all matter is made up of small, indivisible particles called atoms.:
His theory stated that all matter is made up of small, indivisible particles called atoms.
5.
He discovered the negatively charged electron.:
He discovered the negatively charged electron.
6.
His model of the atom was called the plum pudding model.:
His model of the atom was called the plum pudding model.
7.
His experiments involved cathode ray tubes.:
His experiments involved cathode ray tubes.
8.
He discovered the nucleus and the positively charged protons.:
He discovered the nucleus and the positively charged protons.
Column B
a.J.J. Thomson
b.Niels Bohr
c.John Dalton
d.Ernest Rutherford

Answers

Answered by GPT-4o mini
Here is the matching of each statement in Column A with the correct scientist in Column B:

1. He used the gold foil experiments to develop his model of the atom.
**d. Ernest Rutherford**

2. 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.
**b. Niels Bohr**

3. His atomic theory states that atoms combine in small, whole-number ratios to make new substances.
**c. John Dalton**

4. His theory stated that all matter is made up of small, indivisible particles called atoms.
**c. John Dalton** (This statement can also be associated with his atomic theory)

5. He discovered the negatively charged electron.
**a. J.J. Thomson**

6. His model of the atom was called the plum pudding model.
**a. J.J. Thomson**

7. His experiments involved cathode ray tubes.
**a. J.J. Thomson**

8. He discovered the nucleus and the positively charged protons.
**d. Ernest Rutherford**

Note: The statements for John Dalton might seem a bit ambiguous since his atomic theory correlates with the idea of indivisible particles and the combination of atoms in ratios. However, for the best match with unique phrasing, the statements have been assigned accordingly.
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