Which property of liquid metal helps to determine the temperature difference?justify.
Answers
Answer:
The only liquid metal at room temperature is mercury.
The freezing point of mercury is used to determine the temperature.
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Answer:
The low freezing point of mercury helps to determine the temperature difference.
Mercury is the only one in liquid state at room temperature . It is used in thermometer because it has high coefficient of expansion . It has a high boiling point which make it suitable to measure higher temperature.
Mercury has a unique electron configuration which strongly resists removal of an electron, making behave similarly to noble gas elements. As a result , mercury forms a weak bonds and is liquid at room temperature.
Why mercury is liquid at room temperature ?
Because of the behavior of the valence electrons, mercury has a low melting point and is a poor electrical and thermal conductor , and doesn't form diatomic mercury molecules in the gas phase.
Learn more about metal mercury :
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Know more about metal liquid at room temperature:
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