What is the chemical formula of Potassium?A.KB.NaC.CaD.Cu

The question asks for the chemical formula of potassium.

Potassium is a chemical element with the symbol K. This symbol comes from the Latin name for potassium, kalium.

Here’s a brief overview of the options provided:

A. K: This is the correct answer. K is the chemical symbol for potassium.
B. Na: This symbol stands for sodium.
C. Ca: This symbol represents calcium.
D. Cu: This symbol is for copper.
Therefore, the correct answer is A. K.

Explanation:
Chemical Symbols: Each element in the periodic table has a unique one- or two-letter symbol. The first letter is always capitalized, and if there is a second letter, it is lowercase.
Potassium: As an alkali metal, potassium is essential for various biological processes and is found in many foods, especially fruits and vegetables.
In conclusion, the chemical formula for potassium is K.