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February 8, 2015

Valency of elements, How can you calculate the valency of each element?

The valency is the number of electrons that an atom gains, loses, or even shares during a chemical reaction, The valency is the number of electrons that an atom needs to gain or lose...

The Matter

February 3, 2015

The properties of the noble (inert) gases

The inert gases are the elements in which the outermost electron shells are completely filled with the electrons, so they don’t participate in any chemical combination in the ordinary conditions.