Укажите соответствие.
Электронная формула:
1.4s^1
2.4s^2
3.5s^1
4.4s^24p^5
5.2s^22p^2
6.3s^23p^2


Cостав ядра:
А.19p,20n
Б.20p,20n
В.14p14n
Г.35p,45n
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