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  • liquid

  • solid

Atoms & Molecules - Life requires about 25 chemical elements

  • Matter

  • gas

  • liquid

  • solid

Atoms & Molecules - Life requires about 25 chemical elements

  • Matter

    • gas

    • liquid

  • solid

Atoms & Molecules - Life requires about 25 chemical elements

  • Matter

    • gas

    • liquid

    • solid

Atoms & Molecules - Life requires about 25 chemical elements

  • chemical element

  • substance which cannot be broken down into any other substance

  • each element consists of one type of atom

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