What is the chemical symbol for iron?

Question

What is the chemical symbol for iron?

A. Ir

B. Fe

C. In

D. Ni

Correct Answer :

B. Fe

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Which gas is responsible for the blue color of the Earth's sky?

A. Oxygen

Discuss this answer

What is the chemical formula for sodium hydroxide?

A. NaOH

B. HCl

C. Na2CO3

D. H2SO4

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What is the chemical formula for nitric acid?

A. HCl

B. H2SO4

C. HNO3

D. H3PO4

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What is the chemical formula for sodium bicarbonate?

A. NaHCO3

B. NaOH

C. Na2CO3

D. Na2SO4

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What is the chemical symbol for potassium?

A. Po

B. Pa

C. K

D. Ke

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What is the chemical formula for glucose?

A. C2H6O

B. CH4

D. C8H18

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What is the chemical formula for sulfur dioxide?

A. SO2

B. H2SO4

C. SO3

D. H2S

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What is the chemical formula for hydrochloric acid?

A. H2SO4

B. HCl

C. HNO3

D. H3PO4

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

A. Oxygen

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Which element is essential for the process of respiration?

A. Carbon

B. Oxygen

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Which element is essential for all organic compounds?

A. Carbon

B. Oxygen

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Which of the following is a halogen?

A. Sodium

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What is the chemical symbol for silver?

A. Ag

B. Au

C. Si

D. Sr

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Which element is used in fluorescent lights?

A. Neon

B. Argon

D. Xenon

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What is the chemical formula for water?

A. H2O

B. CO2

C. CH4

D. O2

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What is the chemical formula for ozone?

A. O2

B. H2O

C. CO2

D. O3

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What is the chemical formula for sulfuric acid?

A. HCl

B. H2SO4

C. HNO3

D. H3PO4

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

A. HCl

B. H2SO4

D. HNO3

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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

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Which element is essential for human bone health?

B. Iron

C. Sodium

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Which of the following is a metalloid?

A. Boron

B. Oxygen

D. Sulfur

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Which gas is essential for photosynthesis in plants?

B. Oxygen

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What is the atomic number of carbon?

A. 12

B. 14

C. 6

D. 8

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Which of the following is a lanthanide element?

B. Boron

D. Sodium

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Which element is the primary component of organic molecules?

B. Oxygen

C. Carbon

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What is the chemical symbol for gold?

A. Ag

B. Go

C. Au

D. Gd

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What is the chemical formula for potassium nitrate?

A. KNO3

B. KN2O4

C. K2NO3

D. K3NO2

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Which of the following is a noble gas?

A. Neon

B. Sodium

C. Oxygen

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

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

A. Oxygen

C. Carbon

Discuss this answer

Answer 1

B. Carbon dioxide

Answer 2

C. Nitrogen

Answer 3

D. Rayleigh scattering of sunlight

Answer 4

C. C6H12O6

Answer 5

B. Nitrogen

Answer 6

C. Carbon dioxide

Answer 7

D. Sulfur dioxide

Answer 8

C. Hydrogen

Answer 9

D. Nitrogen

Answer 10

C. Hydrogen

Answer 11

D. Nitrogen

Answer 12

B. Fluorine

Answer 13

C. Potassium

Answer 14

D. Calcium

Answer 15

C. Mercury

Answer 16

C. CH3COOH

Answer 17

A. Calcium

Answer 18

D. Potassium

Answer 19

C. Nitrogen

Answer 20

A. Carbon dioxide

Answer 21

C. Nitrogen

Answer 22

D. Methane

Answer 23

A. Uranium

Answer 24

C. Lanthanum

Answer 25

A. Nitrogen

Answer 26

D. Hydrogen

Answer 27

D. Chlorine

Answer 28

A. Protons

Answer 29

B. Electrons

Answer 30

C. Neutrons

Answer 31

D. Nucleons

Answer 32

B. Silicon

Answer 33

D. Hydrogen

What is the chemical symbol for iron?

Correct Answer :

Show all AP Chemistry MCQ

Related Questions

Which gas is responsible for the blue color of the Earth's sky?

What is the chemical formula for sodium hydroxide?

What is the chemical formula for nitric acid?

What is the chemical formula for sodium bicarbonate?

What is the chemical symbol for potassium?

What is the chemical formula for glucose?

What is the chemical formula for sulfur dioxide?

What is the chemical formula for hydrochloric acid?

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

Which element is essential for the process of respiration?

Which element is essential for all organic compounds?

Which of the following is a halogen?

What is the chemical symbol for silver?

Which element is used in fluorescent lights?

What is the chemical formula for water?

What is the chemical formula for ozone?

What is the chemical formula for sulfuric acid?

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

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

Which element is essential for human bone health?

Which of the following is a metalloid?

Which gas is essential for photosynthesis in plants?

What is the atomic number of carbon?

Which of the following is a lanthanide element?

Which element is the primary component of organic molecules?

What is the chemical symbol for gold?

What is the chemical formula for potassium nitrate?

Which of the following is a noble gas?

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

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

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