Match the following species with their corresponding ground state electronic configuration

Explanation

`Ararr3Brarr4Crarr1Drarr5`
(A) `C(Z=29): 1s^(2)2s^(2)2p^(6)3s^(2)3p^(6)3d^(10)4s^(1)`
B. `cu^(2+)(Z=29):1s^(2)2s^(2)2p^(6)3s^(2)3p^(6)3d^(9)`
C. `Zn^(2+)(Z=30):1s^(2)2s^(2)2p^(6)3s^(2)3p^(6)3d^(10)`
D. `cr^(3+)(Z=24): 1s^(2)2s^(2)2p^(2)3s^(2)3p^(6) 3d^(3)`