Question

The 4d subshell in the ground state of atomic xenon contains ________ electrons.

Answer 1

10

Step-by-step explanation:

Xenon has 54 electrons so it's electron configuration is:

1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁶ 4d¹⁰ 5s² 5p⁶

so 4d has 10 electrons