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標題:

[chem] metal

發問:

1. Among solder (alloy of lead and tin), lead and tin, which one is the hardest? which one is the softest? 2. Which one has the highest melting point? Which one has the lowest melting point?

最佳解答:

1. solder is the softest, lead is the hardest 2. lead has the highest melting point(327℃), solder has the lowest melting point(183℃), and that of tin is between them (232℃). hope i can help u

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