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Atomic Structure Quiz

Total questions: 10

Worksheet time: 10mins

Name
Class
Date
1.

What is the most current model of the atom?

a)

Bohr Model

b)

Rutherford Model

c)

Thomson Model

d)

Quantum Mechanical Model

2.

What is the smallest unit of an element that retains its chemical properties?

a)

Molecule

b)

Atom

c)

Particle

d)

Cell

3.

Who proposed that electrons occupy specific energy levels or orbit around the nucleus?

a)

Rutherford

b)

Chadwick

c)

Thomson

d)

Bohr

4.

Which subatomic particle is found outside the nucleus of the atom?

a)

Proton

b)

Photon

c)

Electron

d)

Neutron

5.

What experiment led to the discovery of the nucleus of the atom?

a)

Cathode Ray Experiment

b)

Neutron Diffraction Experiment

c)

Gold Foil Experiment

d)

Electron Cloud Experiment

6.

Which subatomic particle has no electric charge?

a)

Photon

b)

Neutron

c)

Electron

d)

Proton

7.

What is the average width of a human hair in nanometers?

a)

10,000 - 50,000 nm

b)

80,000 - 100,000 nm

c)

1 - 10 nm

d)

500 - 1,000 nm

8.

What is the mass relationship of electrons compared to protons and neutrons?

a)

Varies depending on the atom

b)

Less than protons and neutrons

c)

Equal to protons and neutrons

d)

Greater than protons and neutrons

9.

What did Chadwick hypothesize about the radiation observed in the Gold Foil Experiment?

a)

It consisted of photons

b)

It consisted of neutral particles

c)

It consisted of negatively charged particles

d)

It consisted of positively charged particles

10.

What do electrons create around the nucleus of the atom due to their rapid movement?

a)

Photon Cloud

b)

Electron Cloud

c)

Proton Cloud

d)

Neutron Cloud