Question : Potassium is a chemical element with the symbol:
Option 1: Na
Option 2: S
Option 3: Ca
Option 4: K
Correct Answer: K
Solution : The correct answer is K .
Potassium is a chemical element with the atomic number 19 and the symbol K. Both their melting temperatures and densities are low. Potassium metal and ambient oxygen combine in a matter of seconds to create flaky, white potassium peroxide. It was initially separated from potash, also known as plant ashes.
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