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4 votes
Which of the following is an element?

carbon dioxide
sodium chloride
water
hydrogen

User Mgaughan
by
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2 Answers

7 votes

Answer: Hydrogen

Step-by-step explanation:

It is on the periodic table.

User Biswas Khayargoli
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7.9k points
2 votes
Carbon dioxide is an element
User Thinkerbelle
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