Q. 45.0( 1 Vote )
Oxygen is very essential for us to live. It forms 21% of air by volume. Is it an element or compound?
Answer :
An element has fixed symbol and is made up of only one atom of its kind. Since Oxygen has fixed symbol (O2) and is made up of only one atom of its kind (2 O merge together to form oxygen) it is an example of element.
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