How do you write the formula for potassium metal?

Potassium:-

• Potassium is a soft metal, that belongs to group 2, period 4 of the periodic table.
• Its atomic number is$19$ and its electronic configuration is $1{\mathrm{s}}^{2}2{\mathrm{s}}^{2}2{\mathrm{p}}^{6}3{\mathrm{s}}^{2}3{\mathrm{p}}^{6}4{\mathrm{s}}^1$.
• The symbol $\mathrm{K}$is derived from the Latin word Kallium
• The cationic form of Potassium after losing an electron is ${\mathrm{K}}^{+}$, and has an oxidation state of $+1$.

Therefore, the formula or symbol of Potassium metal is $\mathrm{K}$.