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(drawing of the two) There are three main ways that we can tell the correct structure of benzene consists of a delocalised ring. They are:

• the delocalised structure is more stable that the pr...

Atomic radius increases down a group in the periodic table. This can be explained by a phenomenon called electron shielding. As the number of electron shells is increased down the group, the attraction be...

1s2,2s2,2p6,3s2,3p6

For a given reaction, it is often seen that the rate of reaction doubles following a 10oC increase in temperature. But why is this?

(note: Here I would plot a graph of Rate vs Temperature, to show ...

Atomic Number: Number of Protons in the nucleus of the atom, also equal to the number of electrons in a neutral atom.

Mass Number: Total number of "nucleons" (Protons and Neutrons) in the...