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Development of Atomic Theory

Last updated over 7 years ago

10 questions

Note from the author:

Atomic Theory

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Question 1

1.

Describe Democritus's model of the atom

A the plum-pudding model

B a small solid sphere

C the planetary model

D the ball model

Question 2

2.

Click all that apply to Dalton's atomic theory

A atoms are indivisible

B all atoms of the same element are alike

C Compounds form when atoms of different elements combine

D atoms are the building blocks of all matter

all matter is made up of atoms

Question 3

3.

The Greek philosopher Democritus was one of the first to suggest the existence of atoms.

True

False

Question 4

4.

The word "atomos" is greek for _____________

Question 5

5.

What did J.J. Thomson discover?

A nucleus

B proton

C electron

D neutron

Question 6

6.

Check all that apply to J.J. Thomas's atomic theory

A discovered the electron

B discovered the neutron

C the plum-pudding model

D each atom was a square that was filled with positively charged fluid

electrons were known as plums while the pudding was positively charged

Question 7

7.

Which Scientist used the "Gold-Foil Experiment"

A Democritus

B Rutherford

C Aristotle

D Thomas

Question 8

8.

Explain Rutherfords experiment.

Question 9

9.

Who discovered the nucleus?

A Rutherford

B Thomas

C Democritus

D Dalton

Question 10

10.

In Rutherfords model, what is the charge of the nucleus?