#1
What is the chemical formula for water?
H2O
ExplanationTwo hydrogen atoms bonded to one oxygen atom.
#2
What is the chemical formula for hydrochloric acid?
HCl
ExplanationOne hydrogen atom bonded to one chlorine atom.
#3
Which of the following is the correct chemical formula for sodium chloride?
NaCl
ExplanationOne sodium atom bonded to one chlorine atom.
#4
What is the chemical formula for carbon dioxide?
CO2
ExplanationOne carbon atom bonded to two oxygen atoms.
#5
What is the chemical formula for sulfuric acid?
H2SO4
ExplanationTwo hydrogen atoms bonded to one sulfur atom and four oxygen atoms.
#6
What is the chemical formula for magnesium chloride?
MgCl2
ExplanationOne magnesium atom bonded to two chlorine atoms.
#7
What is the chemical formula for ammonia?
NH3
ExplanationOne nitrogen atom bonded to three hydrogen atoms.
#8
What is the chemical formula for methane?
CH4
ExplanationOne carbon atom bonded to four hydrogen atoms.
#9
Which of the following is the correct chemical formula for glucose?
C6H12O6
ExplanationSix carbon atoms, twelve hydrogen atoms, and six oxygen atoms.
#10
What is the chemical formula for sucrose?
C12H22O11
ExplanationTwelve carbon atoms, twenty-two hydrogen atoms, and eleven oxygen atoms.
#11
What is the chemical formula for table salt?
NaCl
ExplanationOne sodium atom bonded to one chlorine atom.
#12
What is the chemical formula for potassium permanganate?
KMnO3
ExplanationOne potassium atom bonded to one manganese atom and three oxygen atoms.
#13
What is the chemical formula for iron(III) oxide?
Fe2O3
ExplanationTwo iron atoms bonded to three oxygen atoms.
#14
What is the chemical formula for magnesium sulfate?
MgSO4
ExplanationOne 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
ExplanationOne hydrogen atom bonded to one nitrogen atom and three oxygen atoms.
#16
What is the chemical formula for calcium carbonate?
CaCO3
ExplanationOne calcium atom bonded to one carbon atom and three oxygen atoms.
#17
What is the chemical formula for phosphoric acid?
H3PO4
ExplanationThree hydrogen atoms bonded to one phosphorus atom and four oxygen atoms.