Multiple Choice
Which of the following elements is most likely to appear shiny in its elemental form?
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2. Atoms & Elements
Periodic Table: Elemental Forms
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Which element in the halogen family is the only one that exists as a liquid at room temperature?
A
Chlorine (Cl)
B
Iodine (I)
C
Fluorine (F)
D
Bromine (Br)
Verified step by step guidance1
Understand the halogen family elements: Fluorine (F), Chlorine (Cl), Bromine (Br), Iodine (I), and Astatine (At).
Recall the physical states of these halogens at room temperature (approximately 25°C): Fluorine and Chlorine are gases, Iodine and Astatine are solids.
Identify which halogen is a liquid at room temperature by considering their melting and boiling points.
Recognize that Bromine (Br) has a melting point below room temperature and a boiling point above it, making it the only halogen liquid at room temperature.
Conclude that Bromine (Br) is the halogen that exists as a liquid at room temperature.
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