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InterviewSolution
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Explain valency of potassium and calcium |
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Answer» Electronic configuration of potassium is: K(2)L(8)M(8)N(1). { At.no.-19 }E.C. of Calcium is: K(2)L(8)M(8)N(2). { At.no.- 20}Potassium & Calcium have 1 & 2 valence ELECTRONS in the OUTERMOST shell RESPECTIVELY. So their valencies are 1 and 2 respectively. |
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