Read the list of elements given below.

He, Ne, Ar, Kr

Which of the following about the elements is true?

All of them are unreactive gases.

All of them are reactive metalloids.

He and Ne are unreactive gases and Ar and Kr reactive metalloids.

He and Ne are reactive metalloids and Ar and Kr unreactive gases.

Question

Cortez Daugherty

20 May, 13:35

+2

Answers (1)

Know the Answer?

Maribel · Answer 1

All of them are unreactive gases. All of these are noble gases, (Group 18), and are typically unreactive unless put under extreme conditions.