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    •  Science >> Science Discoveries >  >> Chemistry
    Melting Points Ranked: Na2O, CH4, NH3, H2S, He
    The order of substances from lowest to highest melting point is:

    1. CH4 (-182.5 °C)

    2. NH3 (-77.7 °C)

    3. H2S (-85.6 °C)

    4. He (-272.2 °C)

    5. Na2O (897 °C)

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