In a game of elemental symbols, which element is represented by the letter 'K' and is vital for life yet can be toxic in high amounts?
Category: Science · Difficulty: expert
Hint: It's essential for nerve function.
Answer
Potassium
Explanation
Potassium, symbolized by 'K', is crucial for biological functions but can be harmful in excess.
This is a expert science riddle — one of the harder riddles here. The answer is Potassium.
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