Question

Which of the following cannot be formed?
Select one:
O a. He+
ob. Не
O c. He2+
Od. He2​

Answer 1

Answer:

(d) He2

I hope it will help you:)

Answer 2

Answer:

He2 is the answer.

He2 cannot be formed.

Helium is a noble gas and all noble gases exist as monoatomic.