Question

write the electronic configuration of cu2+(29) cr3+(24).

Answer 1

1s2,2s2 2p6,3s2 3p6,4s2 3d9---cu
1s2,2s2 2p6,3s2 3p6,4s2 3d3.---cr

Answer 2

Answer:

Explanation:

1s2,2s2 2p6,3s2 3p6,4s2 3d9---cu2+

1s2,2s2 2p6,3s2 3p6,4s2 3d3.---cr 3+