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Chemical Formula Naming Quiz

#1

What is the chemical formula for water?

H2O
Explanation

Two hydrogen atoms bonded to one oxygen atom.

#2

What is the chemical formula for hydrochloric acid?

HCl
Explanation

One hydrogen atom bonded to one chlorine atom.

#3

Which of the following is the correct chemical formula for sodium chloride?

NaCl
Explanation

One sodium atom bonded to one chlorine atom.

#4

What is the chemical formula for carbon dioxide?

CO2
Explanation

One carbon atom bonded to two oxygen atoms.

#5

What is the chemical formula for sulfuric acid?

H2SO4
Explanation

Two hydrogen atoms bonded to one sulfur atom and four oxygen atoms.

#6

What is the chemical formula for magnesium chloride?

MgCl2
Explanation

One magnesium atom bonded to two chlorine atoms.

#7

What is the chemical formula for ammonia?

NH3
Explanation

One nitrogen atom bonded to three hydrogen atoms.

#8

What is the chemical formula for methane?

CH4
Explanation

One carbon atom bonded to four hydrogen atoms.

#9

Which of the following is the correct chemical formula for glucose?

C6H12O6
Explanation

Six carbon atoms, twelve hydrogen atoms, and six oxygen atoms.

#10

What is the chemical formula for sucrose?

C12H22O11
Explanation

Twelve carbon atoms, twenty-two hydrogen atoms, and eleven oxygen atoms.

#11

What is the chemical formula for table salt?

NaCl
Explanation

One sodium atom bonded to one chlorine atom.

#12

What is the chemical formula for potassium permanganate?

KMnO3
Explanation

One potassium atom bonded to one manganese atom and three oxygen atoms.

#13

What is the chemical formula for iron(III) oxide?

Fe2O3
Explanation

Two iron atoms bonded to three oxygen atoms.

#14

What is the chemical formula for magnesium sulfate?

MgSO4
Explanation

One magnesium atom bonded to one sulfur atom and four oxygen atoms.

#15

Which of the following is the correct chemical formula for nitric acid?

HNO3
Explanation

One hydrogen atom bonded to one nitrogen atom and three oxygen atoms.

#16

What is the chemical formula for calcium carbonate?

CaCO3
Explanation

One calcium atom bonded to one carbon atom and three oxygen atoms.

#17

What is the chemical formula for phosphoric acid?

H3PO4
Explanation

Three hydrogen atoms bonded to one phosphorus atom and four oxygen atoms.

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