Sign up now
to enroll in courses, follow best educators, interact with the community and track your progress.
Enroll
44
Previous
Next
✕Download
Electrovalency (in Hindi)
42 plays
More
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
U
Unacademy user
sir, in co-ordinate system as you multiplied A vector and B vector then it dont have (i cap) or (j cap) so is this because we get scalar quantity when we do dot product?
0
Reply
Tanmoy dey
4 months ago
i.i= 1*1*cos0 = 1.... I hope it may clear ur doubt

  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