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Grade 12th pass9 grade science

With reference to period 3 of the periodic table-State The number of electrons in the penultimate shell of the element with valency -1.

Profile image of Harshit Singh
4 Years agoGrade 12th pass
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Profile image of Jayesh Vashishtha
4 Years ago
Dear student,
 
With reference to periods 3 on periodic table state the number of electrons in the penultimate shell of element with valency -1. The element with valency -1 is Cl. ​The number of electrons in its penultimate shell is 8.
 
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TEam Askiitians