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5. Which substance represents a compound? (1) C(s) (2) Co(s) (3) CO(g) (4) O₂(g)
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40 votes
40 votes
5. Which substance represents a compound?

(1) C(s)
(2) Co(s)
(3) CO(g)
(4) O₂(g)

User Mmoomocow
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2 Answers

29 votes
29 votes
Number 3, CO(g) because a compound is a substance that has 2 or more elements
User Mathew Block
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20 votes
20 votes
The substance that represents a compound is CO
User Starkm
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2.5k points
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