Question

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7. Which of the following is argued to be the heaviest naturally occurring element?
O A. Actinium
OB. Uranium
O C. Thorium
O D. Francium
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Answer 1

Uranium is argued to be the heaviest naturally occurring element with an atomic number of 92.

Step-by-step explanation:

The heaviest naturally occurring element is Uranium. It has an atomic number of 92 and an atomic mass of approximately 238.03 atomic mass units (amu). Uranium is found in small amounts in the Earth's crust and is used as a fuel in nuclear reactors.

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