Question

.Write the electronic configuration of $\mathrm{K}\&\mathrm{Cl}$.

Answer 1

Electronic configuration:

• The electronic configuration is the arrangement of electrons in different atomic orbitals.
• The electrons will be filled in the different respective orbitals.
• The $\mathrm{s}-$orbitals can have two electrons and $\mathrm{p}-$orbitals can hold six electrons and $\mathrm{d}-$orbitals can hold ten electrons and $\mathrm{f}-$orbitals can cold fourteen electrons with it.

Potassium $\left(\mathrm{K}\right)$:

• The atomic number of potassium is $19$.
• The electronic configuration of $\left(\mathrm{K}\right)$ is $1{\mathrm{s}}^{2}2{\mathrm{s}}^{2}2{\mathrm{p}}^{6}3{\mathrm{s}}^{2}3{\mathrm{p}}^{6}4{\mathrm{s}}^1$.

Chlorine $\left(\mathrm{Cl}\right)$:

• The atomic number of chlorine is $17$.
• The electronic configuration of $\left(\mathrm{Cl}\right)$ is $1{\mathrm{s}}^{2}2{\mathrm{s}}^{2}2{\mathrm{p}}^{6}3{\mathrm{s}}^{2}3{\mathrm{p}}^5$.