Which element is the most abundant in the universe?

Question

Which element is the most abundant in the universe?

A. Hydrogen

B. Helium

C. Oxygen

D. Carbon

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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 carbon dioxide?

A. CO2

B. CH4

C. CO

D. C2O

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What is the chemical formula for water vapor?

A. H2O

B. CO2

C. H2O2

D. O2

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Which gas is responsible for the rotten egg smell?

A. Oxygen

B. Carbon monoxide

C. Sulfur dioxide

D. Hydrogen sulfide

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How many protons are in the nucleus of an atom with an atomic number of 20?

A. 10

B. 20

C. 40

D. 60

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

A. Oxygen

B. Carbon dioxide

C. Nitrogen

D. Rayleigh scattering of sunlight

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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 commonly used in batteries?

A. Calcium

B. Lithium

C. Aluminum

D. Zinc

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What is the chemical formula for hydrogen peroxide?

A. H2O2

B. H2SO4

C. HCl

D. NH3

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Which element is used in fluorescent lights?

A. Neon

B. Argon

C. Mercury

D. Xenon

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Which subatomic particle is responsible for chemical bonding?

A. Proton

B. Electron

C. Neutron

D. Photon

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How many hydrogen atoms are in one molecule of methane (CH4)?

A. 1

B. 2

C. 3

D. 4

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What is the chemical symbol for iron?

A. Ir

B. Fe

C. In

D. Ni

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What is the chemical formula for table salt?

A. NaCl

B. H2O

C. CO2

D. CH4

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What is the chemical formula for methane?

A. CH4

B. CO2

C. H2O

D. NH3

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Which of the following is a greenhouse gas?

A. Oxygen

B. Nitrogen

C. Carbon dioxide

D. Argon

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Which element is a noble gas and is often used in advertising signs?

A. Neon

B. Xenon

C. Krypton

D. Argon

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The process of a substance changing from a gas to a liquid is called:

A. Sublimation

B. Condensation

C. Evaporation

D. Fusion

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Which of the following is a nonmetal?

A. Sodium

B. Chlorine

C. Iron

D. Calcium

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What is the chemical formula for ammonia?

A. NH4

B. NH2

C. NH3

D. NH

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What is the chemical formula for aspirin?

A. C6H12O6

B. CH4

C. C9H8O4

D. C12H22O11

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Which of the following is a metalloid?

A. Boron

B. Oxygen

C. Nitrogen

D. Sulfur

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Which gas is essential for photosynthesis in plants?

A. Carbon dioxide

B. Oxygen

C. Nitrogen

D. Methane

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Which of the following is a transition metal?

A. Sodium

B. Iron

C. Calcium

D. Potassium

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

A. HCl

B. H2SO4

C. CH3COOH

D. HNO3

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What is the chemical formula for sulfuric acid?

A. HCl

B. H2SO4

C. HNO3

D. H3PO4

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

A. Acidic

B. Alkaline

C. Neutral

D. Basic

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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 gas makes up the majority of Earth's atmosphere?

A. Oxygen

B. Carbon dioxide

C. Nitrogen

D. Hydrogen

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Which of the following is a greenhouse gas produced by human activities?

A. Oxygen

B. Carbon dioxide

C. Nitrogen

D. Argon

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Accepted Answer

A. Hydrogen

Which element is the most abundant in the universe?

Correct Answer :

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Related Questions

What is the chemical formula for ozone?

What is the chemical formula for carbon dioxide?

What is the chemical formula for water vapor?

Which gas is responsible for the rotten egg smell?

How many protons are in the nucleus of an atom with an atomic number of 20?

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

What is the chemical symbol for silver?

Which element is commonly used in batteries?

What is the chemical formula for hydrogen peroxide?

Which element is used in fluorescent lights?

Which subatomic particle is responsible for chemical bonding?

How many hydrogen atoms are in one molecule of methane (CH4)?

What is the chemical symbol for iron?

What is the chemical formula for table salt?

What is the chemical formula for methane?

Which of the following is a greenhouse gas?

Which element is a noble gas and is often used in advertising signs?

The process of a substance changing from a gas to a liquid is called:

Which of the following is a nonmetal?

What is the chemical formula for ammonia?

What is the chemical formula for aspirin?

Which of the following is a metalloid?

Which gas is essential for photosynthesis in plants?

Which of the following is a transition metal?

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

What is the chemical formula for sulfuric acid?

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

What is the chemical formula for nitric acid?

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

Which of the following is a greenhouse gas produced by human activities?

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