how can we learn valancies of first 30 elements of periodic table in a easy way?
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Dear I do not know how can we learn valancies of first 30 elements of periodic table in a easy way, But I can tell u how to learn valancies in an easy way
First and best way is to learn the periodic table,along the group with atomic number. ...
Second way is electronic configuration, there are two of configuration first is junior method【2,8,18…】and second is energy level configuration method 【s,p,d,f】both are used only for remembering valency or valence electron.
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