Chemistry, asked by concecptmusic, 11 months ago

give me answer fast frnds

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Answered by tkgosavi

3

Answer:

atomic no.- 10(Ne) = 0

15(P) = 3

20(Ca) = 2

19(K) = 1

17 (Cl) = 1

Answered by bodakuntalacchanna

4

Answer:

10-Neon→valency—0

15-phosphorus→valency—3

20-calcium→valency—2

19-potassium→valency—1

17-chlorine→valency—1

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