What are the 3 sub-atomic particles called?

protons, neutrons and electrons

potions, neutrons and electrons

protons, neutrons and elections

What is the mass number?

Number of protons plus neutrons

Number of protons plus electrons

Number of neutrons plus electrons

What is the atomic number?

Number of protons plus electrons

Number of protons plus neutrons

Number of protons, neutrons and electrons

An atom is neutral if...

The number of protons = electrons

The number of neutrons = protons

The number of protons∠ electrons

The scattering of α-particles by a thin metal foil supports the nuclear model of an atom. Why are α-particles used rather than neutrons?

because they have a positive charge

because they always travel more slowly

because they are larger in diameter

Radioactive source S emits α-particles, β-particles and γ-rays. A detector is placed 5 cm away from S. A thin sheet of paper is placed as shown in the diagram. Which emissions from the source can be detected?

α-particles and β-particles only

α-particles, β-particles and γ-rays

What makes something radioactive?

elements with an atomic number above 81

Atomic Physics

Quiz

•

Physics

•

10th Grade

•

Practice Problem

•

Medium

•

NGSS

HS-PS1-8, MS-PS1-1, HS-PS1-1

+3

Standards-aligned

Charles Martinez

Used 3+ times

FREE Resource

28 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A

B

C

D

Tags

NGSS.HS-PS1-8

NGSS.HS-PS2-5

NGSS.HS-PS3-5

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A

B

C

D

Tags

NGSS.HS-PS1-8

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A

B

C

D

Tags

NGSS.MS-PS1-1

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A

B

C

D

Tags

NGSS.HS-PS1-8

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A

B

C

D

Tags

NGSS.HS-PS1-1

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A

B

C

D

Tags

NGSS.HS-PS1-8

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A

B

C

D

Tags

NGSS.HS-PS1-8

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