Which of the following elements is a gas at room temperature?
A)argon (Ar)
B)lead (Pb)
C)cesium (Cs)
D)indium (In)
E)lithium (Li)

Name: Which of the following elements is a gas at room temperature? A)argon (Ar) B)lead (Pb) C)cesium (Cs) D)indium (In) E)lithium (Li)
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Question

Quizplus · Accepted Answer

Argon (Ar) is a gas at room temperature, with a boiling point of -185.85°C and a melting point of -189.34°C. Lead (Pb), cesium (Cs), indium (In), and lithium (Li) are all solids at room temperature.

Which of the Following Elements Is a Gas at Room