Which of the following elements is a noble gas?
A)Ar
B)Br
C)N
D)O
E)K

Name: Which of the following elements is a noble gas? A)Ar B)Br C)N D)O E)K
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Question

Quizplus · Accepted Answer

The noble gases are all the elements in the last column of the periodic table, and Ar (argon) is one of them. Br (bromine) is a halogen, N (nitrogen) is a non-metal, O (oxygen) is a reactive non-metal, and K (potassium) is an alkali metal.

Which of the Following Elements Is a Noble Gas