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Tushar Khanna
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Sunidhi Parmar
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LESSON Electrovalency
ELECTRO VALENCY o No. of electrons gained or lost to form ionic bond is called electro valency 2
Group 1 Li Na K Rb Cs IG ns1 3
Group 1 Li Na K Rb CslG ns1 1 Group 2 Be Mg Ca Sr Ba IG ns22 4
Group 1Li Na K Rb Cs IG ns11 Group 2 Be Mg Ca Sr BaIG ns22 Group 13 Al Ga IG ns2 np1 3
Group 2 Be Mg Ca Sr BalG ns2 2 Group 13 Al Ga IG ns2 np1 3 Group 15 N P As Sb BiIG ns2 np3 3 6
Group 13 Al Ga IG ns2 np13 Group 15 N P As Sb Bi IG ns2 np3 3 Group 16 OSSe Te IG ns2 np42 7
Group 15 N P As Sb Bi IG ns2 np3 3 Group 16 OS Se Te IG ns2 np4 2 Group 17 FCI Br G ns2 np5 1
VARIABLEEV O D block elements O Fe Fe ++2 Fe 3
Thank you Ou.. Any Questions? 10