10th Class Science Metals and Non-metals Non -  Metals

Non -  Metals

Category : 10th Class

*        Non-Metals

 

These are the elements which have tendency to gain electrons. They are electronegative elements. They have 5,6, or 7 electrons is their valence shell. e.g.

Phosphorous (P-15) = 2,8,5

Sulphur    (S-16) = 2,8,6

Non metals are placed on the right hand side of the periodic table. Phosphorus has three electrons in its outermost shell and can lose three electron to form\[{{P}^{3-}}\].

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