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No atoms are lost or made during a chemical reaction, so the total mass of the products is equal to the total mass of the reactants.

Kekule Model - 6 membered carbon ringComposed of carbon atoms joined together by alternating single and double bonds
Delocalised Model - A planr cyclic hydrocarbon composed of 6 carbon atoms and 6 hy...

Student drawings will indicate a central nucleus with 6 neutrons and 6 protons, as well as 6 surrounding electrons in one shell.

The carbonyl bond is polar as the oxygen atom is more electronegative than the carbon atom. This results in a partial positive charge on the carbon and a partial negative charge on the oxygen. A nucleophi...

You should organise your knowledge by separating synthetic routes into categories, for example: drawing the synthetic pathways of benzenes separately to those of phenols. You should then make posters or f...