Which of the following physical properties would you expect for krypton (Kr)?
A)a gas at room temperature
B)hard
C)brittle
D)shiny
E)conducts electricity

Question

Quizplus · Accepted Answer

Krypton is an element in the noble gas group and has a very low boiling point of -153.22 °C and a very low melting point of -157.36°C. Therefore, it is expected to be a gas at room temperature. None of the other physical properties listed are expected of krypton.

Which of the Following Physical Properties Would You Expect for Krypton