1.
What is the chemical formula for calcium chloride?
A
CaCl
B
Ca₂Cl₂
C
Ca₂Cl
D
CaCl₂
View Answer
Correct Answer: D — CaCl₂
Explanation:
Calcium chloride contains one calcium atom and two chlorine atoms.
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What is the chemical formula for calcium chloride?
CaCl
Ca₂Cl₂
Ca₂Cl
CaCl₂
Correct Answer: D — CaCl₂
Explanation:
Calcium chloride contains one calcium atom and two chlorine atoms.
What is the empirical formula of glucose (C₆H₁₂O₆)?
C₆H₁₂O₆
CH₂O
CH₃O
C₁₂H₂O₁₂
Correct Answer: B — CH₂O
Explanation:
The empirical formula represents the simplest whole-number ratio of atoms in a compound.
What is the chemical formula of water?
CO₂
O₂
H₂O
H₂O₂
Correct Answer: C — H₂O
Explanation:
Water has the chemical formula H₂O, consisting of two hydrogen atoms and one oxygen atom.
What is the formula of sodium chloride?
Na₂Cl
NaCl₂
NaCl
Na₂Cl₂
Correct Answer: C — NaCl
Explanation:
Sodium chloride has the chemical formula NaCl.