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Carbon belongs to the nonmetals family on the periodic table.
Carbon 13 is not an element it is an isotope. Carbon is an element but Carbon 13 is not.
carbon -12 is the most common isotope of carbon.
98.9% of all carbon is Carbon-12
So, if you find some carbon. charcoal diamond or any other form of carbon, I am 98.9%sure it is C-12.
Isotopes.
The chemical formula of carbon tetrachloride is CCl4; so contain carbon and chlorine.