Question

Match the scientist to his contribution to the atomic theory. (4 points)

Column A
1.
J.J. Thomson

:
J.J. Thomson

2.
John Dalton

:
John Dalton

3.
Ernest Rutherford

:
Ernest Rutherford

4.
James Chadwick

:
James Chadwick

Column B
a.
Plum pudding model

b.
Discovery of neutrons

c.
Atoms indivisible

d.
Positively charged nucleus

Answer 1

Answer:

1. J.J Thomson– Plum Pudding model

2. John Dalton – Atoms indivisible

3. Ernest Rutherford – Positively charged nucleus

4. James Chadwick– Discovery of neutrons

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