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Atom and Subatomic Particles

Authored by Charles Martinez

Chemistry

9th Grade

NGSS covered

Atom and Subatomic Particles
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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The positive particle in an atom.

proton

neutron

electron

electron cloud

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

He proposed the atomic theory.

Bohr

Chadwick

Dalton

Rutherford

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

How many protons does Nitrogen have?

7

8

14

14.01

Tags

NGSS.MS-PS1-1

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

He believed that matter is made of small solid objects that cannot be divided, created, or destroyed called atomos.

Aristotle

Democritus

Dalton

Bohr

Tags

NGSS.HS-PS1-7

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The negative particle in an atom.

proton

neutron

electron

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What is the mass number of this element?

7

8

14

14.01

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Scientist that proposed that electrons move in energy levels around the nucleus.

Dalton

Rutherford

Thomson

Bohr

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