Question

Write the full ground-state electron configuration for each:
(a) Rb (b) Ge (c) Ar

Answer 1

Answer:

(a) Rb

$1s^22s^22p^63s^23p^63d^{10}4s^24p^65s^1$

(b) Ge

$1s^22s^22p^63s^23p^63d^{10}4s^24p^2$

(c) Ar

$1s^22s^22p^63s^23p^6$

Explanation:

(a) Rb

Atomic number = 37

The electronic configuration is -  

$1s^22s^22p^63s^23p^63d^{10}4s^24p^65s^1$

(b) Ge

Atomic number = 32

The electronic configuration is -  

$1s^22s^22p^63s^23p^63d^{10}4s^24p^2$

(c) Ar

Atomic number- 18

The electronic configuration is -  

$1s^22s^22p^63s^23p^6$