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Which of the following substances is NOT an element? 1. carbon monoxide 2. arsenic 3. mercury 4. gold
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3 votes
Which of the following substances is NOT an

element?
1. carbon monoxide
2. arsenic
3. mercury
4. gold

User Panos Spiliotis
by
8.2k points

1 Answer

4 votes
1. Carbon Monoxide
Since it is made up of multiple elements
:)

User Nikhil Prabhakar
by
7.8k points
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