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Chromium is a typical hard metal but mercury is a liquid

Chromium is a typical hard metal but mercury is a liquid

Grade:12

1 Answers

Vikas TU
14149 Points
7 years ago
Simple:
Cr has one electron that is beong unpaired in 4s1
and which is only the factor makes it a hard metal.
In adding with Hg (Mercury) it looses its s orbital electron and hence acts as liquid.

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