Molecular Formulas

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subscript

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The little number that tells the number of atoms for each element.

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coefficient

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The big number that tells you the number of molecules.

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Molecule

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A molecule is formed when two or more atoms join together chemically.

Front

What is the symbol of the element: gold? Options: Ag, As, Ap, Au

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Au

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What is the best formula for this molecule? Options: 2H₂O₂, 6H₂O₂, 6H₁₂O₁₂, 6HO

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6H₂O₂

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What is the best statement for the picture?

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The molecule has two carbon atoms and four hydrogen atoms.

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What is the best formula for this molecule? Options: 2H₂O, H₃O, H₂O₂, H₂O

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H₂O

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What is the best formula for this molecule? Options: C₃H₄O₃, C₃H₄O, C₃H₄O₂, C₃H₄O₄

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C₃H₄O₂

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What is the best formula for this molecule? Options: C₅HO₄, C₅HO₇, C₅HO₈

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C₅HO₈

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What is the best formula for these molecules? Options: H₂O, H₂O₂, 3H₂O, 4H₂O

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4H₂O