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

Question

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

Tardigrade Admin · Accepted Answer

Electronic configuration of 28Ni=1s2, text 2s22p6, text 3s23p63d8,4s2 Ni2+=1s2,2s22p6,3s23p63d8,4s0 29Cu=1s2,2s22p6, text 3s23p63d10,4s1 Cu+=1s2, text 2s22p6, text 3s23p63d10, text 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

$C u^{+}$

$C u^{2 +}$

$N i^{2 +}$

$N i$

Q. The atomic number of Ni and Cu are 28 and 29 respectively. The electronic configuration 1s2,2s22p6,3s23p63d10 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

$C u^{+}$

$C u^{2 +}$

$N i^{2 +}$

$N i$