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Which element has the highest atomic number found naturally on Earth in measurable amounts?
Quick Answer
Uranium is the heaviest element found naturally in appreciable amounts, with atomic number 92.
The Full Story
Uranium is the heaviest naturally occurring element found on Earth in measurable amounts, with atomic number 92. Although tiny traces of heavier elements can occur from radioactive decay, uranium is the last element that is abundant enough to be commonly found in nature. It was identified in 1789 by Martin Heinrich Klaproth. Uranium became historically important because of its role in nuclear energy and nuclear weapons.
Key Facts
1.Uranium atomic number: 92
2.Identified in 1789 by Martin Heinrich Klaproth
3.Symbol: U
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