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Atomic Theory Unit Exam

Authored by Ilona Tylina

Chemistry

9th - 12th Grade

NGSS covered

Used 8+ times

Atomic Theory Unit Exam
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84 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which subatomic particle is found in the nucleus of all isotopes of hydrogen?

proton

positron

neutron

electron

cannot be determined

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What are the characteristics of a neutron?

It has no charge and no mass.

It has no charge and a mass of 1 amu.

It has a charge of +1 and no mass.

It has a charge of +l and a mass of 1 amu.

cannot be determined

Tags

NGSS.HS-PS1-8

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

What is the atomic number of this atom?

4

5

8

9

cannot be determined

Tags

NGSS.HS-PS1-1

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

How many electrons does a neutral atom of Oxygen have?

8

10

16

18

cannot be determined

Tags

NGSS.HS-PS1-1

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which is a finding attributed to Rutherford's Gold Foil Experiment?

atoms are indivisible and have a dense positive nucleus.

atoms are divisible and have multiple layers of electrons scattered uniformly about the atom.

atoms are like plum pudding with positive and negative charges uniformly scattered throughout the atom.

atoms are mostly empty space with a dense positive nucleus.

conclusions were unable to be determined

Tags

NGSS.HS-PS1-8

6.

FILL IN THE BLANK QUESTION

2 mins • 1 pt

According to the Rutherford model, what is the charged subatomic particle that is located in the nucleus?

Tags

NGSS.HS-PS1-8

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Which isotope contains the greatest number of neutrons?

Cl-37

K-39

Ar-40

Ca-41

cannot be determined

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