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Chemistry Review

Authored by Christopher Schrempp

Chemistry

10th - 12th Grade

NGSS covered

Used 8+ times

Chemistry Review
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50 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Which of the subatomic particles has the smallest mass?

They all have the same mass.
Neutrons
Protons
Electrons

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

An unidentified element has many of the same physical and chemical properties as magnesium and strontium but has lower atomic mass than either of these elements. What is the most likely identity of this element?

Beryllium
Sodium
Calcium
Barium

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

An unidentified element has many of the same physical and chemical properties as sodium and rubidium but has lower atomic mass than either of these elements. What is the most likely identity of this element?

potassium
beryllium
lithium
cesium

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

The net charge on an aluminum ion is +3 because there are

13 protons and 10 electrons
10 protons and 13 electrons
13 protons and 10 neutrons
10 neutrons and 13 electrons

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

The net charge on an oxygen ion is -2 because there are

8 protons and 10 neutrons
8 protons and 10 electrons
10 protons and 8 electrons
10 protons and 8 neutrons

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Select the correct electron configuration for Cl.

1s2 2s2 2p6 3s2 3p5
1s2 2s2 3s2 3p6 4s2 4p3
1s2 2s2 2p6 4s2 4p5
1s2 2s2 2p6 3s1 3p6

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Which of the following BEST describes why atoms form bonds?

Atoms bond to change from liquid to gas.
Atoms bonds to make new substances.
Atoms bond to change from liquid to solid.
Atoms bond to be more chemically stable.

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