Chemical Formulas

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Element or Compound? H₂O

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Compound

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How many TOTAL atoms are in: H₂SO₄?

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7

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In this image, the symbol to the right of the arrow (in black) are called _______.

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Products

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How many atoms of carbon (C) are in C₆H₁₂O₆?

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6

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How many phosphorus atoms are there in H₃PO₄?

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1

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What is a chemical formula?

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A representation of a substance using symbols for its constituent elements and numbers to indicate the ratio of atoms.

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What do subscripts in a chemical formula indicate?

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The number of atoms of the element in the molecule.

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What do coefficients in a chemical equation represent?

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The number of molecules or moles of a substance involved in the reaction.

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What is the chemical formula for glucose?

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C₆H₁₂O₆

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What is the difference between a reactant and a product?

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Reactants are substances that undergo a chemical change, while products are the substances formed as a result of the reaction.