Which element is essential for human bone health?

Question

Which element is essential for human bone health?

A. Calcium

B. Iron

C. Sodium

D. Potassium

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

A. Oxygen

B. Nitrogen

C. Carbon dioxide

D. Sulfur dioxide

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What is the chemical formula for methane?

A. CH4

B. CO2

C. H2O

D. NH3

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What is the chemical formula for table salt?

A. NaCl

B. H2O

C. CO2

D. CH4

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Which element is essential for all organic compounds?

A. Carbon

B. Oxygen

C. Hydrogen

D. Nitrogen

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What is the chemical formula for sodium hydroxide?

A. NaOH

B. HCl

C. Na2CO3

D. H2SO4

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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 hydrogen peroxide?

A. H2O2

B. H2SO4

C. HCl

D. NH3

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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 gas is produced during photosynthesis?

A. Oxygen

B. Carbon dioxide

C. Nitrogen

D. Hydrogen

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Which of the following is a noble gas?

A. Neon

B. Sodium

C. Oxygen

D. Chlorine

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What is the chemical formula for sulfur hexafluoride?

A. SF6

B. SF5

C. S2F6

D. S2F5

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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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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 ammonia?

A. NH4

B. NH2

C. NH3

D. NH

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Which element is essential for human bone health?

A. Calcium

B. Iron

C. Sodium

D. Potassium

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What is the formula for the hydroxide ion?

A. OH2

B. H2O

C. HO

D. OH-

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Which of the following is a halogen?

A. Sodium

B. Fluorine

C. Potassium

D. Calcium

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Which element is the primary component of organic molecules?

A. Nitrogen

B. Oxygen

C. Carbon

D. Hydrogen

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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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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 hydrogen gas?

A. H2

B. O2

C. N2

D. CO2

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Which of the following is a lanthanide element?

A. Uranium

B. Boron

C. Lanthanum

D. Sodium

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

A. Protons

B. Electrons

C. Neutrons

D. Nucleons

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What is the chemical formula for aspirin?

A. C6H12O6

B. CH4

C. C9H8O4

D. C12H22O11

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What is the chemical symbol for iron?

A. Ir

B. Fe

C. In

D. Ni

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Which subatomic particle has a negative charge?

A. Proton

B. Neutron

C. Electron

D. Nucleus

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Which subatomic particle is responsible for chemical bonding?

A. Proton

B. Electron

C. Neutron

D. Photon

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Which element is essential for the process of respiration?

A. Carbon

B. Oxygen

C. Hydrogen

D. Nitrogen

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Accepted Answer

A. Calcium

Which element is essential for human bone health?

Correct Answer :

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Related Questions

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

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

What is the chemical formula for methane?

What is the chemical formula for table salt?

Which element is essential for all organic compounds?

What is the chemical formula for sodium hydroxide?

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

What is the chemical formula for hydrogen peroxide?

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

Which gas is produced during photosynthesis?

Which of the following is a noble gas?

What is the chemical formula for sulfur hexafluoride?

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

What is the chemical formula for carbon dioxide?

What is the chemical formula for ammonia?

Which element is essential for human bone health?

What is the formula for the hydroxide ion?

Which of the following is a halogen?

Which element is the primary component of organic molecules?

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

Which element is the most abundant in the universe?

What is the chemical formula for hydrogen gas?

Which of the following is a lanthanide element?

Which gas is essential for photosynthesis in plants?

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

What is the chemical formula for aspirin?

What is the chemical symbol for iron?

Which subatomic particle has a negative charge?

Which subatomic particle is responsible for chemical bonding?

Which element is essential for the process of respiration?

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