Elements and Compounds

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What are elements?

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Elements are pure substances that cannot be broken down into simpler substances by chemical means. They consist 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 chemically bond together in fixed proportions.

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What is the chemical formula for water?

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What is the chemical formula for methane?

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How are molecules formed?

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Molecules are formed by the chemical bonding of two or more atoms.

Front

What is a chemical bond?

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A chemical bond is the force that holds atoms together in a molecule, which can be ionic or covalent.

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What is the difference between an element and a compound?

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An element is a single type of atom, while a compound consists of two or more different types of atoms bonded together.

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What is the significance of a chemical formula?

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A chemical formula indicates the types and numbers of atoms in a molecule, providing essential information about the substance.