Electron configuration of d orbital

Chemistry Level 2

Which of the following elements is not consistent with its electron configuration at ground state?

Co: [Ar] 3 d 7 4 s 2 \text{Co: [Ar]}3d^{7}4s^{2} Cr: [Ar] 3 d 5 4 s 1 \text{Cr: [Ar]}3d^{5}4s^{1} Cu: [Ar] 3 d 9 4 s 2 \text{Cu: [Ar]}3d^{9}4s^{2} Mn: [Ar] 3 d 5 4 s 2 \text{Mn: [Ar]}3d^{5}4s^{2}

View wiki
Krishna Singh by Krishna Singh , 22, India

This section requires Javascript.
You are seeing this because something didn't load right. We suggest you, (a) try refreshing the page, (b) enabling javascript if it is disabled on your browser and, finally, (c) loading the non-javascript version of this page . We're sorry about the hassle.

1 solution

Satyabrata Dash
May 30, 2018

3 d 10 3d^ {10} 4 s 1 4s^1 shows full filled 3 d 3d orbital and half filled 4 s 4s orbital thus imparting stability to C u Cu .

1 Helpful 0 Interesting 0 Brilliant 0 Confused

0 pending reports

×

Problem Loading...

Note Loading...

Set Loading...