Which of the following is a lanthanide element?

Question

Which of the following is a lanthanide element?

A. Uranium

B. Boron

C. Lanthanum

D. Sodium

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

A. Protons

B. Electrons

C. Neutrons

D. Nucleons

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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 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 methane?

A. CH4

B. CO2

C. H2O

D. NH3

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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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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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Which type of bond involves the sharing of electrons?

A. Ionic bond

B. Covalent bond

C. Metallic bond

D. Hydrogen bond

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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 element is commonly used in batteries?

A. Calcium

B. Lithium

C. Aluminum

D. Zinc

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What is the chemical formula for sulfur dioxide?

A. SO2

B. H2SO4

C. SO3

D. H2S

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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 formula for the hydroxide ion?

A. OH2

B. H2O

C. HO

D. OH-

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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 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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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 potassium nitrate?

A. KNO3

B. KN2O4

C. K2NO3

D. K3NO2

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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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Which element is used in fluorescent lights?

A. Neon

B. Argon

C. Mercury

D. Xenon

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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 formula for ammonia?

A. NH4

B. NH2

C. NH3

D. NH

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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 formula for nitric acid?

A. HCl

B. H2SO4

C. HNO3

D. H3PO4

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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 of the following is a metalloid?

A. Boron

B. Oxygen

C. Nitrogen

D. Sulfur

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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 formula for sulfuric acid?

A. HCl

B. H2SO4

C. HNO3

D. H3PO4

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What is the chemical formula for glucose?

A. C2H6O

B. CH4

C. C6H12O6

D. C8H18

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Accepted Answer

C. Lanthanum

Which of the following is a lanthanide element?

Correct Answer :

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Related Questions

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

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

Which element is essential for human bone health?

What is the chemical formula for ozone?

What is the chemical formula for carbon dioxide?

What is the chemical formula for methane?

Which element is essential for the process of respiration?

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

Which type of bond involves the sharing of electrons?

What is the chemical formula for hydrochloric acid?

Which element is commonly used in batteries?

What is the chemical formula for sulfur dioxide?

Which element is essential for all organic compounds?

What is the formula for the hydroxide ion?

Which subatomic particle is responsible for chemical bonding?

Which of the following is a greenhouse gas?

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

What is the chemical formula for table salt?

What is the chemical formula for potassium nitrate?

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

Which element is used in fluorescent lights?

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

What is the chemical formula for ammonia?

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

What is the chemical formula for nitric acid?

Which of the following is a lanthanide element?

Which of the following is a metalloid?

What is the chemical formula for sodium bicarbonate?

What is the chemical formula for sulfuric acid?

What is the chemical formula for glucose?

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