Which is highest soft metal .
Answers
Answer:
According to the Mohs hardness scale, a list of soft metals includes lead, gold, silver, tin, zinc, aluminum, thorium, copper, brass and bronze. The most soft metal is mercury.
Explanation:
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Answer:Mercury
Explanation
Most metal atoms readily share valence electrons with other atoms. The electrons in a mercury atom are bound more tightly than usual to the nucleus. In fact, the s electrons are moving so fast and close to the nucleus they exhibit relativistic effects, behaving as if they were more massive than slower-moving electrons.Home
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Why Is Mercury a Liquid?
Why Mercury Is a Liquid Metal at Room Temperature
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The element mercury is a dense silvery liquid at room temperature because its valence electrons have so much energy.
The element mercury is a dense silvery liquid at room temperature because its valence electrons have so much energy. videophoto / Getty Images
by
Anne Marie Helmenstine, Ph.D.
Updated February 04, 2019
Mercury is the only metal that is a liquid at normal temperatures and pressure. But, why is mercury a liquid? What makes this element so special? Basically, it's because mercury is bad at sharing... electrons, that is.
Most metal atoms readily share valence electrons with other atoms. The electrons in a mercury atom are bound more tightly than usual to the nucleus. In fact, the s electrons are moving so fast and close to the nucleus they exhibit relativistic effects, behaving as if they were more massive than slower-moving electrons.
It takes very little heat to overcome the weak binding between mercury atoms. Because of the behavior of the valence electrons, mercury has a low melting point, is a poor electrical and thermal conductor and doesn't form diatomic mercury molecules in the gas phase.