Question 1

What is the correct name for the compound N2O5?

Accepted Answer

Dinitrogen Pentoxide

Answer

Nitrogen Pentoxide

Answer

Nitrogen Oxide

Answer

Nitrogen Dioxide

Question 2

What is the correct formula for the compound nitrogen trichloride?

Accepted Answer

NCl3

Answer

N2Cl6

Answer

N3Cl

Answer

NCl

Question 3

What is the correct name for the compound H2O?

Accepted Answer

Water

Answer

Hydroxide

Answer

Hydrogen Oxide

Answer

Hydrogen Dioxide

Question 4

What is the correct formula for the compound carbon tetrachloride?

Accepted Answer

CCl4

Answer

C2Cl4

Answer

C4Cl

Answer

CCl2

Question 5

What is the correct name for the compound CO?

Accepted Answer

Carbon Monoxide

Answer

Carbon Trioxide

Answer

Carbon Oxide

Answer

Carbon Dioxide

Question 6

What is the correct formula for the compound sulfur hexafluoride?

Accepted Answer

SF6

Answer

SF4

Answer

S2F6

Answer

S6F

Question 7

What is the correct name for the compound PCl5?

Accepted Answer

Phosphorus Pentachloride

Answer

Phosphorus Hexachloride

Answer

Phosphorus Chloride

Answer

Phosphorus Trichloride

Question 8

What is the correct formula for the compound methane?

Accepted Answer

CH4

Answer

C2H6

Answer

CS2

Answer

CO2

Question 9

What is the correct name for the compound NH3?

Accepted Answer

Ammonia

Answer

Nitrogen Hydride

Answer

Nitrogen Trihydride

Answer

Nitrogen Hydroxide

Question 10

What is the correct formula for the compound sulfur dioxide?

Accepted Answer

SO2

Answer

SO

Answer

SO4

Answer

SO3

Question 11

Which of the following elements forms a covalent compound with chlorine?

Accepted Answer

Phosphorus

Answer

Calcium

Answer

Sodium

Answer

Potassium

Question 12

Which of the following elements forms a covalent compound with nitrogen?

Accepted Answer

Oxygen

Answer

Potassium

Answer

Calcium

Answer

Sodium

Question 13

What is the sharing of electrons in covalent compounds?

Accepted Answer

Covalent bonding

Answer

Metallic bonding

Answer

Hydrogen bonding

Answer

Ionic bonding

Question 14

Which of the following correctly describes the sharing of electrons in covalent compounds?

Accepted Answer

Electrons are shared between atoms

Answer

Electrons are lost by atoms

Answer

Electrons are gained by atoms

Answer

Electrons are transferred between atoms

Question 15

Identify the incorrect pairing of compound names and formulas among the options below:

Accepted Answer

Phosphorus tetrachloride - PCl3

Answer

Silicon tetrabromide - SiBr4

Answer

Dinitrogen pentoxide - N2O5

Answer

Carbon dioxide - CO2

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