Question 1

Which subatomic particle was discovered by J.J. Thomson?

Accepted Answer

Electron

Answer

Neutron

Answer

Proton

Answer

Positron

Question 2

What is the charge of a neutron?

Accepted Answer

Neutral

Answer

Positive

Answer

Negative

Answer

It varies

Question 3

Which subatomic particle has the least mass?

Accepted Answer

Electron

Answer

Neutron

Answer

Proton

Answer

They all have the same mass

Question 4

How many electrons can be held in the first energy level of an atom?

Accepted Answer

2

Answer

8

Answer

4

Answer

6

Question 5

Who proposed the planetary model of the atom?

Accepted Answer

Niels Bohr

Answer

Ernest Rutherford

Answer

James Chadwick

Answer

John Dalton

Question 6

What is the name of the model that describes the distribution of electrons in an atom?

Accepted Answer

Electron Cloud Model

Answer

Dalton Model

Answer

Bohr Model

Answer

Planetary Model

Question 7

What did Rutherford's gold foil experiment discover about the structure of the atom?

Accepted Answer

The atom has a small, dense nucleus.

Answer

The atom is mostly empty space.

Answer

Electrons orbit the nucleus in fixed paths.

Answer

The nucleus is made up of protons and electrons.

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