Which one of the following has the ground state electron configuration [ar]3d104s1?

Question

asked Oct 2, 2023 143k views

1 Answer

CaBieberach · Answer 1 · 2023-10-05T19:12:14+0000

Answer:

Cu

Step-by-step explanation:

Ar's atomic number is 18 so it has 18 electrons

therefore 18 + (10 + 1) = 29

At ground state, electrons = protons.

Element with atomic number of 29 is Cu