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5 votes
Which one is not one of the most common elements of organic compounds?

A. Hydrogen
B. Helium
C. Nitrogen
D. Phosphorus

2 Answers

4 votes
I believe the correct answer among the choices listed above is option B. Helium is the substance that is not one of the most common elements of organic compounds. The most common element would be carbon, hydrogen, nitrogen and phosphorus.
answered
User Xevincent
by
7.2k points
4 votes
B. Helium without any doubt. :)
answered
User Cantsay
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9.0k points

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