Elements and Compounds Flashcard

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What is an element?

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An element is a pure substance that cannot be broken down into simpler substances by chemical means. It consists of only one type of atom.

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What is a compound?

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A compound is a substance formed when two or more different elements are chemically bonded together.

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What does a chemical formula represent?

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A chemical formula represents the types and numbers of atoms in a molecule of a compound.

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There are 24 atoms in total: 6 carbon (C), 12 hydrogen (H), and 6 oxygen (O) atoms.

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What is the chemical formula for water?

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There are 3 different elements: carbon (C), hydrogen (H), and oxygen (O).

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What is the difference between an element and a compound?

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An element is made of one type of atom, while a compound is made of two or more different types of atoms chemically bonded together.

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What does the subscript in a chemical formula indicate?

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The subscript in a chemical formula indicates the number of atoms of the element present in the molecule.

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What is the chemical formula for table salt?

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