Which chemical symbol represents an element?
2 answers:
CO because it is the chemical symbol for the element cobalt whereas the rest are compound. H20 is water, CO2 is carbon dioxide and N2 is dinitrogen.
Answer:
Explanation:
Element is a pure substance which is composed of atoms of similar elements.
It can not be decomposed into simpler constituents using chemical reactions.Example: Nitrogen
Compound is a pure substance which is made from atoms of different elements combined together in a fixed ratio by mass.
It can be decomposed into simpler constituents using chemical reactions. Example: carbon dioxide , water , carbon monoxide
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