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During a lab activity students were given samples of four different unknown elements. The students record their observations as shown in the table
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What does a numerical subscript following an element in a chemical formula mean?
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How much energy is required to vaporize 2 kg of copper? a 4730 kj b 207kj c 9460 kj d 414kj
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During a lab activity students were given samples of four different unknown elements. The students r...
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