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1 vote
Which of the following is NOT a diatomic element?

a. helium
b. iodine
c. oxygen
d. hydrogen

2 Answers

5 votes

The diatomic elements are: Bromine, Iodine, Nitrogen, Chlorine, Hydrogen, Oxygen, and Fluorine.

So the answer to your question is A, helium.

User Xuchunyang
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5.4k points
2 votes

Its A Helium hope i helppp

User Lemonhead
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5.9k points