The element with the electronic configuration $1 s^{2} 2 s^{2} 2 p^{6} 3 s^{2} 3 p^{6} 3 d^{10} 4 s^{1}$ is:

C u

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

C a

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C r

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C o

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A $C u$
The element with the electronic configuration $1 s^{2} 2 s^{2} 2 p^{6} 3 s^{2} 3 p^{6} 3 d^{10} 4 s^{1}$ is copper ( $C u, Z = 29$ ). It belongs to $3 d$ transition series.
Hence, the option (A) is the correct answer.

Suggest Corrections

Similar questions

C r

Z = 14

C u

Z = 29

C a

Z = 20

1 s^{2} 2 s^{2} 2 p^{6} 3 s^{2} 3 p^{6} 3 d^{10} 4 s^{1}

1 s^{2} 2 s^{2} 2 p^{6} 3 s^{2} 3 p^{6} 3 d^{10} 4 s^{1}

1 s^{2} 2 s^{2} 2 p^{5}

Which of the following is outer electronic configuration of Cr and Cu?

C u, {C u}^{2 +}, {Z n}^{2 +}, {C r}^{3 +}

Join BYJU'S Learning Program