Chemistry, 18.03.2021 03:30 meganwintergirl

Susana heats up a sample of red crystals. While the sample is being heated, a gas is released and a blue powder is left after the heating. Is the sample of red crystals an element or a compound? Explain your answer.

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Susana heats up a sample of red crystals. While the sample is being heated, a gas is released and a...