Question

electron configuration quiz
a. write the full ground state electron configuration for each neutral atom.
b. write the full ground state electron configuration for these ions.

Explanation:

Step1: Recall electron - filling rules

Electrons fill orbitals in the order of increasing energy: 1s < 2s < 2p < 3s < 3p < 4s < 3d < 4p < 5s < 4d < 5p < 6s < 4f < 5d < 6p < 7s < 5f < 6d < 7p. The s - orbital can hold 2 electrons, the p - orbital can hold 6 electrons, the d - orbital can hold 10 electrons, and the f - orbital can hold 14 electrons.

Step2: Determine atomic number of Ge

Germanium (Ge) has an atomic number of 32.
The electron configuration is $1s^{2}2s^{2}2p^{6}3s^{2}3p^{6}4s^{2}3d^{10}4p^{2}$.

Step3: Determine atomic number of Ar

Argon (Ar) has an atomic number of 18.
The electron configuration is $1s^{2}2s^{2}2p^{6}3s^{2}3p^{6}$.

Answer:

Ge: $1s^{2}2s^{2}2p^{6}3s^{2}3p^{6}4s^{2}3d^{10}4p^{2}$
Ar: $1s^{2}2s^{2}2p^{6}3s^{2}3p^{6}$