7.
X₂0₂²-iyonunun toplam 106 tane elektronu vardır.
Buna göre, X atomunun elektron dizilişi aşağı-
dakilerden hangisinde doğru verilmiştir? (O)
A) 1s²2s²2p 3s 3p 4s²3d5
B) 1s 2s 2p 3s 3p 4s²3d¹
C) 1s²2s²2p 3s 3p 4s²3d6
D) 1s 2s 2p 3s 3p 4s¹3d5
E) 1s²2s²2p 3s²3p6
Sagot :
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