Which of the following is a metalloid?

Question

Which of the following is a metalloid?

A. Boron

B. Oxygen

D. Sulfur

Correct Answer :

A. Boron

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

D. Fusion

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What is the chemical formula for sodium hydroxide?

A. NaOH

B. HCl

C. Na2CO3

D. H2SO4

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Which subatomic particle has a negative charge?

A. Proton

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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 monoxide?

A. CO2

B. CH4

C. CO

D. C2O

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Which type of bond involves the sharing of electrons?

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What is the chemical formula for hydrochloric acid?

A. H2SO4

B. HCl

C. HNO3

D. H3PO4

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

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What is the chemical formula for aspirin?

B. CH4

C. C9H8O4

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

A. Neon

B. Xenon

D. Argon

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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 methane?

A. CH4

B. CO2

C. H2O

D. NH3

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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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Which of the following is a transition metal?

A. Sodium

B. Iron

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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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What is the chemical formula for sodium chloride?

A. NaCl

B. Na2Cl

C. NaCl2

D. Na2Cl2

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Which gas is produced during photosynthesis?

A. Oxygen

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

A. Oxygen

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Which of the following is a lanthanide element?

B. Boron

D. Sodium

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Which element is essential for human bone health?

B. Iron

C. Sodium

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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 hydrogen gas?

A. H2

B. O2

C. N2

D. CO2

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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 the process of respiration?

A. Carbon

B. Oxygen

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

A. Argon

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

A. Oxygen

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Which of the following is a nonmetal?

A. Sodium

C. Iron

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What is the chemical formula for nitric acid?

A. HCl

B. H2SO4

C. HNO3

D. H3PO4

Discuss this answer

Which of the following is a greenhouse gas?

A. Oxygen

D. Argon

Discuss this answer

Answer 1

C. Nitrogen

Answer 2

A. Sublimation

Answer 3

B. Condensation

Answer 4

C. Evaporation

Answer 5

B. Neutron

Answer 6

C. Electron

Answer 7

D. Nucleus

Answer 8

A. Ionic bond

Answer 9

B. Covalent bond

Answer 10

C. Metallic bond

Answer 11

D. Hydrogen bond

Answer 12

A. Protons

Answer 13

B. Electrons

Answer 14

C. Neutrons

Answer 15

D. Nucleons

Answer 16

A. C6H12O6

Answer 17

D. C12H22O11

Answer 18

C. Krypton

Answer 19

B. Alkaline

Answer 20

C. Neutral

Answer 21

C. Calcium

Answer 22

D. Potassium

Answer 23

B. Carbon dioxide

Answer 24

C. Nitrogen

Answer 25

D. Hydrogen

Answer 26

B. Carbon dioxide

Answer 27

C. Nitrogen

Answer 28

D. Hydrogen

Answer 29

A. Uranium

Answer 30

C. Lanthanum

Answer 31

A. Calcium

Answer 32

D. Potassium

Answer 33

C. Hydrogen

Answer 34

D. Nitrogen

Answer 35

B. Fluorine

Answer 36

C. Chlorine

Answer 37

D. Bromine

Answer 38

B. Carbon dioxide

Answer 39

C. Nitrogen

Answer 40

D. Rayleigh scattering of sunlight

Answer 41

B. Chlorine

Answer 42

D. Calcium

Answer 43

B. Nitrogen

Answer 44

C. Carbon dioxide

Which of the following is a metalloid?

Correct Answer :

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Related Questions

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

What is the chemical formula for sodium hydroxide?

Which subatomic particle has a negative charge?

What is the chemical formula for ozone?

What is the chemical formula for carbon monoxide?

Which type of bond involves the sharing of electrons?

What is the chemical formula for hydrochloric acid?

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

What is the chemical formula for aspirin?

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

What is the chemical formula for sulfuric acid?

What is the chemical formula for methane?

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

Which of the following is a transition metal?

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

What is the chemical formula for sodium chloride?

Which gas is produced during photosynthesis?

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

Which of the following is a lanthanide element?

Which element is essential for human bone health?

What is the chemical formula for sulfur dioxide?

What is the chemical formula for hydrogen gas?

What is the chemical formula for ammonia?

Which element is essential for the process of respiration?

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

What is the chemical formula for sulfur hexafluoride?

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

Which of the following is a nonmetal?

What is the chemical formula for nitric acid?

Which of the following is a greenhouse gas?

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