#1
What is the chemical formula for water?
H2O
ExplanationWater's chemical formula is composed of two hydrogen atoms and one oxygen atom.
#2
How many hydrogen atoms are in one molecule of methane (CH4)?
4
ExplanationMethane contains four hydrogen atoms.
#3
How many nitrogen atoms are there in one molecule of ammonia (NH3)?
1
ExplanationAmmonia contains one nitrogen atom.
#4
What is the chemical formula for hydrochloric acid?
HCl
ExplanationHydrochloric acid's chemical formula is HCl.
#5
What is the molecular formula for glucose?
C6H12O6
ExplanationGlucose's molecular formula consists of six carbon atoms, twelve hydrogen atoms, and six oxygen atoms.
#6
How many oxygen atoms are in one molecule of sulfuric acid (H2SO4)?
3
ExplanationSulfuric acid molecule contains three oxygen atoms.
#7
How many carbon atoms are present in one molecule of ethanol (C2H5OH)?
3
ExplanationEthanol contains three carbon atoms.
#8
What is the chemical formula for sodium carbonate?
Na2CO3
ExplanationSodium carbonate's chemical formula is Na2CO3.
#9
What is the chemical formula for ammonium phosphate?
NH4PO4
ExplanationAmmonium phosphate's chemical formula is NH4PO4.
#10
How many oxygen atoms are there in one molecule of sulfur dioxide (SO2)?
2
ExplanationSulfur dioxide molecule contains two oxygen atoms.
#11
What is the chemical formula for acetic acid?
C2H4O2
ExplanationAcetic acid's chemical formula is C2H4O2.
#12
What is the chemical formula for hydrogen peroxide?
H2O2
ExplanationHydrogen peroxide's chemical formula is H2O2.