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ratelena [41]
2 years ago
11

Which element contains one set of paired and three unpaired electrons in its fourth and outer main energy level? ​

Chemistry
1 answer:
Natasha2012 [34]2 years ago
4 0

Explanation:

Phosphorus (P) because of the 5 valence electrons total, 3 of them are in the 3p sublevel, and according to Hund's rule, they "single-fill" each orbital first.

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olga2289 [7]

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A solution of diamminesilver(I) chloride is treated with dilute nitric acid. What products you get? [Ag(NH3)2]Cl(aq) + HNO3(aq)
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