Can you give me the list of valency and valence electrons. only upto 2

1.	Can you give me the list of valency and valence electrons. only upto 20
Answer» hope this helps youExplanation:Hydrogen (H) VALENCY : +- 1 , Valence ELECTRONS : 1.Helium (He) Valency : 0 , Valence electrons : 2.Lithium (Li) Valency : +1 , Valence electrons : 1.Beryllium (Be) Valency : +2 , Valence electrons : 2.Boron (B) Valency : +3 , Valence electrons : 3.Carbon (C) ...Nitrogen (N) ...OXYGEN (O)

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