A. Steel is a mixture. It is not an element because it is not on the periodic table. It is not a compound because the iron and carbon are not chemically counted together.
B. Sugar is a compound. (C12H22O11) (molar mass: 342.2965 g/mol)
C. Air is a mixture because the compounds that make up air, (H2O) are not chemically bound like compounds.
D. Nitrogen is an element. Not a mixture or compound.
Answers & Comments
Let’s see here...
A. Steel is a mixture. It is not an element because it is not on the periodic table. It is not a compound because the iron and carbon are not chemically counted together.
B. Sugar is a compound. (C12H22O11) (molar mass: 342.2965 g/mol)
C. Air is a mixture because the compounds that make up air, (H2O) are not chemically bound like compounds.
D. Nitrogen is an element. Not a mixture or compound.
Your answer is B. Sugar.
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