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Electrovalency (in Hindi)
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In this lesson, we will discuss Electrovalency in detail. Variable EV concept in D block elements is also discussed.
Tushar Khanna
Chemistry Enthusiast | NEET 2018 Qualified | MBBS student | Gold Medalist - Science Olympiad, English Olympiad | Qualified CET | Rank - 24
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  1. LESSON Electrovalency


  2. ELECTRO VALENCY o No. of electrons gained or lost to form ionic bond is called electro valency 2


  3. Group 1 Li Na K Rb Cs IG ns1 3


  4. Group 1 Li Na K Rb CslG ns1 1 Group 2 Be Mg Ca Sr Ba IG ns22 4


  5. Group 1Li Na K Rb Cs IG ns11 Group 2 Be Mg Ca Sr BaIG ns22 Group 13 Al Ga IG ns2 np1 3


  6. 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


  7. 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


  8. 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


  9. VARIABLEEV O D block elements O Fe Fe ++2 Fe 3


  10. Thank you Ou.. Any Questions? 10