Which of the following pure elements exist as liquids at normal Earth temperatures? bromine nitrogen mercury gold oxygen

Respuesta :

The answers are:  [A]:  bromine ;  and: [C]: mercury .
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Actually, a fluid is any material that flows and offers little resistance to change in shape when under pressure. Using this description, both liquids and gases are fluids. Thirteen pure elements exist as fluids at Earth temperatures. Only two of these are liquids, mercury and bromine
 
so the answer is : Bromine and Mercury