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What is the correct answer?

4

Which subatomic particle has a negative charge?

A. Proton

B. Neutron

C. Electron

D. Nucleus

Correct Answer :

C. Electron


Related Questions

What is the correct answer?

4

Which subatomic particle has a negative charge?

A. Proton

B. Neutron

C. Electron

D. Nucleus

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4

Which gas is used in the process of photosynthesis?

A. Carbon dioxide

B. Oxygen

C. Nitrogen

D. Hydrogen

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4

What is the chemical formula for carbon dioxide?

A. CO2

B. CH4

C. CO

D. C2O

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4

What is the chemical formula for sulfur hexafluoride?

A. SF6

B. SF5

C. S2F6

D. S2F5

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4

Which element is used in fluorescent lights?

A. Neon

B. Argon

C. Mercury

D. Xenon

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4

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

A. 1

B. 2

C. 3

D. 4

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4

What is the chemical formula for water?

A. H2O

B. CO2

C. CH4

D. O2

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4

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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4

What is the chemical formula for glucose?

A. C2H6O

B. CH4

C. C6H12O6

D. C8H18

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4

What is the chemical formula for aspirin?

A. C6H12O6

B. CH4

C. C9H8O4

D. C12H22O11

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4

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

A. Argon

B. Fluorine

C. Chlorine

D. Bromine

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4

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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4

What is the chemical formula for hydrogen gas?

A. H2

B. O2

C. N2

D. CO2

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4

What is the chemical symbol for potassium?

A. Po

B. Pa

C. K

D. Ke

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4

What is the chemical formula for ammonia?

A. NH4

B. NH2

C. NH3

D. NH

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4

What is the chemical formula for water vapor?

A. H2O

B. CO2

C. H2O2

D. O2

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4

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

A. Protons

B. Electrons

C. Neutrons

D. Nucleons

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4

Which gas is essential for photosynthesis in plants?

A. Carbon dioxide

B. Oxygen

C. Nitrogen

D. Methane

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4

Which of the following is a nonmetal?

A. Sodium

B. Chlorine

C. Iron

D. Calcium

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4

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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4

What is the chemical formula for carbon monoxide?

A. CO2

B. CH4

C. CO

D. C2O

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4

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 hydrogen peroxide?

A. H2O2

B. H2SO4

C. HCl

D. NH3

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4

Which element is essential for the process of respiration?

A. Carbon

B. Oxygen

C. Hydrogen

D. Nitrogen

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4

Which element is commonly used in batteries?

A. Calcium

B. Lithium

C. Aluminum

D. Zinc

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4

Which of the following is a metalloid?

A. Boron

B. Oxygen

C. Nitrogen

D. Sulfur

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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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4

Which of the following is a halogen?

A. Sodium

B. Fluorine

C. Potassium

D. Calcium

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4

What is the chemical formula for table salt?

A. NaCl

B. H2O

C. CO2

D. CH4

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4

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

A. Sublimation

B. Condensation

C. Evaporation

D. Fusion