Multiple Choice
At a temperature of , which of the following elements would be in the liquid phase at approximately ?
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4. Atoms and Elements
Periodic Table: Phases (Simplified)
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Which element is a liquid at room temperature (about )?
A
Chlorine ()
B
Bromine ()
C
Neon ()
D
Iron ()
Verified step by step guidance1
Understand the question: We need to identify which element is a liquid at room temperature, approximately 25\degree C.
Recall the physical states of elements at room temperature: Most elements are solids or gases at this temperature, but a few are liquids.
Consider each element given: Chlorine (Cl) is a gas at room temperature, Neon (Ne) is a noble gas and also a gas at room temperature, Iron (Fe) is a solid metal at room temperature.
Bromine (Br) is unique among these options because it is a halogen that exists as a liquid at room temperature.
Therefore, by comparing the physical states of these elements at 25\degree C, Bromine is the element that is liquid at room temperature.
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