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Al3+ + 3e- → Al 2O2- → O2 + 4e-
A catalyst is a material that can speed up a reaction, but reamins chemically unchanged at the end of the reaction. A catalyst works by providing the reactants an alternative rout...
Na is a group 1 metal and Cl is a group 7 non-metal so they form an ionic bond.
So for GCSE the key to this question is in the periodic table: Note drawing the atoms can be helpful to show the shells.
F: 2,7
Cl: 2,8,7
Firstlet's look up Flurorine (symbol F in th...
For any change that occurs in a chemical system, the equilibrium of that system will shift in order to counteract the change being imposed on that system. For example, if the temperature is increased for ...
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