KIDS QUIZ
SCIENCE EXPERIMENTS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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the metal mercury is
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the hardest known metal
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a liquid at room temperature
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Either A or B
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None of the above
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Explanation:
Detailed explanation-1: -Mercury is both a liquid at room temperature (as it has a very low melting point of-39C) and a metal. We tend to assume metals are all solids but they are not.
Detailed explanation-2: -Mercury is a liquid at room temperature because its electrons are tightly bound to the atomic nucleus. Mercury is a liquid at room temperature, while other metals are solids.
Detailed explanation-3: -Mercury is liquid at room temperature.
There is 1 question to complete.