How many electrons are in the outermost energy level (valence shell) of a neutral oxygen atom?

Question

How many electrons are in the outermost energy level (valence shell) of a neutral oxygen atom?

A. 2

B. 6

C. 8

D. 4

Correct Answer :

B. 6

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What is the chemical formula for ozone?

A. O2

B. H2O

C. CO2

D. O3

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Which of the following is a greenhouse gas?

A. Oxygen

D. Argon

Discuss this answer

What is the chemical formula for carbon dioxide?

A. CO2

B. CH4

C. CO

D. C2O

Discuss this answer

The atomic number of an element is determined by the number of:

Discuss this answer

Which gas makes up the majority of Earth's atmosphere?

A. Oxygen

Discuss this answer

The process of a liquid changing into a gas at the surface is called:

D. Fusion

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Which element is commonly used in batteries?

D. Zinc

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What is the chemical formula for sulfur hexafluoride?

A. SF6

B. SF5

C. S2F6

D. S2F5

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Which of the following is a noble gas used in lighting?

A. Argon

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Which element is the most abundant in Earth's crust?

A. Oxygen

C. Carbon

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Which of the following is a lanthanide element?

B. Boron

D. Sodium

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What is the chemical formula for hydrogen gas?

A. H2

B. O2

C. N2

D. CO2

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Which of the following is a halogen?

A. Sodium

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How many electrons are in the outermost energy level (valence shell) of a neutral oxygen atom?

A. 2

B. 6

C. 8

D. 4

Discuss this answer

Which element is the primary component of organic molecules?

B. Oxygen

C. Carbon

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Which gas is responsible for the rotten egg smell?

A. Oxygen

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Which of the following is a metalloid?

A. Boron

B. Oxygen

D. Sulfur

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Which gas is produced during photosynthesis?

A. Oxygen

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The pH scale measures the acidity or alkalinity of a substance. A pH value of 7 is considered:

A. Acidic

D. Basic

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What is the chemical formula for sulfuric acid?

A. HCl

B. H2SO4

C. HNO3

D. H3PO4

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Which subatomic particle has a negative charge?

A. Proton

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What is the chemical formula for carbon monoxide?

A. CO2

B. CH4

C. CO

D. C2O

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What is the chemical formula for nitric acid?

A. HCl

B. H2SO4

C. HNO3

D. H3PO4

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Which of the following is a noble gas?

A. Neon

B. Sodium

C. Oxygen

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Which element is the most abundant in the universe?

B. Helium

C. Oxygen

D. Carbon

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Which gas is produced by burning fossil fuels and contributes to air pollution?

A. Oxygen

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What is the atomic number of carbon?

A. 12

B. 14

C. 6

D. 8

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What is the chemical formula for water vapor?

A. H2O

B. CO2

C. H2O2

D. O2

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What is the chemical formula for water?

A. H2O

B. CO2

C. CH4

D. O2

Discuss this answer

What is the chemical formula for acetic acid, found in vinegar?

A. HCl

B. H2SO4

D. HNO3

Discuss this answer

Answer 1

B. Nitrogen

Answer 2

C. Carbon dioxide

Answer 3

A. Protons

Answer 4

B. Electrons

Answer 5

C. Neutrons

Answer 6

D. Nucleons

Answer 7

B. Carbon dioxide

Answer 8

C. Nitrogen

Answer 9

D. Hydrogen

Answer 10

A. Evaporation

Answer 11

B. Condensation

Answer 12

C. Sublimation

Answer 13

A. Calcium

Answer 14

B. Lithium

Answer 15

C. Aluminum

Answer 16

B. Fluorine

Answer 17

C. Chlorine

Answer 18

D. Bromine

Answer 19

B. Silicon

Answer 20

D. Hydrogen

Answer 21

A. Uranium

Answer 22

C. Lanthanum

Answer 23

B. Fluorine

Answer 24

C. Potassium

Answer 25

D. Calcium

Answer 26

A. Nitrogen

Answer 27

D. Hydrogen

Answer 28

B. Carbon monoxide

Answer 29

C. Sulfur dioxide

Answer 30

D. Hydrogen sulfide

Answer 31

C. Nitrogen

Answer 32

B. Carbon dioxide

Answer 33

C. Nitrogen

Answer 34

D. Hydrogen

Answer 35

B. Alkaline

Answer 36

C. Neutral

Answer 37

B. Neutron

Answer 38

C. Electron

Answer 39

D. Nucleus

Answer 40

D. Chlorine

Answer 41

A. Hydrogen

Answer 42

B. Nitrogen

Answer 43

C. Carbon dioxide

Answer 44

D. Sulfur dioxide

Answer 45

C. CH3COOH

How many electrons are in the outermost energy level (valence shell) of a neutral oxygen atom?

Correct Answer :

Show all AP Chemistry MCQ

Related Questions

What is the chemical formula for ozone?

Which of the following is a greenhouse gas?

What is the chemical formula for carbon dioxide?

The atomic number of an element is determined by the number of:

Which gas makes up the majority of Earth's atmosphere?

The process of a liquid changing into a gas at the surface is called:

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What is the chemical formula for carbon monoxide?

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