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Which of these is a correct comparison of metals with non-metals? 1 Metals generally have higher densities and lower melting points than non-metals. 2 Metals generally have lower melting points and conduct electricity better than non-metals. 3 Metals generally have lower densities and are poorer conductors of electricity than non-metals. 4 Metals are generally better conductors of electricity and have higher melting points than non-metals. |
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