The atomic number of Ni and Cu are 28 and 29 respectively. The electronic configuration 1s2, 2s2, 2p6, 3s2 3p6 3d10 represents

Question

The atomic number of Ni and Cu are 28 and 29 respectively. The electronic configuration 1s2, 2s2, 2p6, 3s2 3p6 3d10 represents (A)  Cu+ (B) Cu2+ (C)  Ni2+ (D)  Ni

Tardigrade Admin · Accepted Answer

Electronic configuration of 28 Ni =1 s2, 2 s2 2 p6, 3 s2 3 p6 3 d8, 4 s2 Ni 2+ =1 s2, 2 s2 2 p6, 3 s2 3 p6 3 d8, 4 s0 29 Cu =1 s2, 2 s2 2 p6, 3 s2 3 p6 3 d10, 4 s1 Cu + =1 s2, 2 s2 2 p6, 3 s2 3 p6 3 d10, 4 s0 So, the given configuration is of Cu +.

Q. The atomic number of $N i$ and $C u$ are $28$ and $29$ respectively. The electronic configuration $1 s^{2}, 2 s^{2}, 2 p^{6}, 3 s^{2} 3 p^{6} 3 d^{10}$ represents

$C u^{+}$

$C u^{2 +}$

$N i^{2 +}$

$N i$

Q. The atomic number of Ni and Cu are 28 and 29 respectively. The electronic configuration 1s2,2s2,2p6,3s23p63d10 represents

Cu+

Cu2+

Ni2+

Ni

Electronic configuration of 28​Ni=1s2,2s22p6,3s23p63d8,4s2 Ni2+=1s2,2s22p6,3s23p63d8,4s0 29​Cu=1s2,2s22p6,3s23p63d10,4s1 Cu+=1s2,2s22p6,3s23p63d10,4s0 So, the given configuration is of Cu+.

Q. The atomic number of $N i$ and $C u$ are $28$ and $29$ respectively. The electronic configuration $1 s^{2}, 2 s^{2}, 2 p^{6}, 3 s^{2} 3 p^{6} 3 d^{10}$ represents

$C u^{+}$

$C u^{2 +}$

$N i^{2 +}$

$N i$