Explanation:
there you go you can just look up atomic model for CD and click images
The first compound C6H12 is cyclohexane and the other compound C6H6 is benzene. They are both aromatic compounds. Cyclohexane does not have double bonds in its ring while benzene has three double bonds in its ring. This is why the formula for cyclohexane contains 12 carbon atoms while benzene only has 6.
An element cannot be broken down any further. Elements can be found on the periodic table
The charge of this atom would be -2
Number 13 is D. Mendeleev. He was a Russian chemist and inventor who formulated the periodic table.