valency of He,B,S,Na,C,P,Cl
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hai AMISHA
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He- 0
B- 3
S- 2, 4
Na- 1
C- 4
P- 3, 5
Cl- 1
B- 3
S- 2, 4
Na- 1
C- 4
P- 3, 5
Cl- 1
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valency of He= 1s²
Valency of B= 2s²2p¹
Valency of S = 3s²3p⁴
Valency of Na= 3s¹
Valency of C = 2s²2p²
Valency of P= 3s²3p³
Valency of Cl= 3s²3p5
Valency of B= 2s²2p¹
Valency of S = 3s²3p⁴
Valency of Na= 3s¹
Valency of C = 2s²2p²
Valency of P= 3s²3p³
Valency of Cl= 3s²3p5
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