
What is the chemical symbol for potassium? A) P B) K C) Po D) Pt
Answer: B) K
Explanation:
The chemical symbol for potassium is K, which comes from its Latin name "kalium." This might seem confusing at first since potassium starts with "P," but many chemical symbols are derived from their Latin or Greek names rather than their English names.
Let's look at why the other options are incorrect. Option A) P is the chemical symbol for phosphorus, not potassium. Option C) Po represents polonium, a radioactive element discovered by Marie Curie. Option D) Pt stands for platinum, a precious metal commonly used in jewelry and catalytic converters.
Potassium is an essential element for all living organisms and plays a crucial role in many biological processes. It's found in group 1 of the periodic table, making it an alkali metal. In your body, potassium helps with muscle contractions, nerve signals, and maintaining proper fluid balance.
Here are some other elements with symbols that don't match their English names:
• Sodium (Na) - from "natrium" • Iron (Fe) - from "ferrum" • Gold (Au) - from "aurum" • Silver (Ag) - from "argentum"
Understanding these historical origins of chemical symbols helps you remember them better and appreciate the rich history of chemistry as a science.












