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The answer for this stems from the very definition of what a transition metal is: a metal that can form one or more stable ions with partially filled d-subshell. The partially fill d-subshell part is cruc...

We know from GCSE that Gaining of electrons is reduction; and Loss of electrons is oxidation. This can be remembered by the pneumonic: 'OIL RIG' :Oxidation Is Loss Reduction Is Gain.

At A-level it ...

Graphite is an allotrope of carbon. The structure of graphite is a honeycomb structure where each carbon is covalently bonded to 3 other carbons. Given that carbon is able to make 4 bonds, there is one fr...

The group one metals all have one electron in their outer shell, so are "electron donors". The further down the group one goes, the higher the electron shell containing the lone electron. The re...

This is the MINIMUM energy required for a reaction to work or to be activated. If this energy is not reached, the reaction in full does not happy. Imagine a game of basketball. If you do not shoot the bal...