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Get Answers to all your Questions
- Home
- Engineering
- compound and elements
Which of the following is an element?
A) $\mathrm{H}_2 \mathrm{O}$
B) NaCl
C) $\mathrm{O}_2$
D) $\mathrm{CO}_2$
Answers (1)
An element consists of only one type of atom. O? contains only oxygen atoms, so it is an element. The others are compounds made of more than one type of element.
Hence, the answer is option (3).
View full answer
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