What is the atomic number of uranium?

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Multiple Choice

What is the atomic number of uranium?

Explanation:
The atomic number is the number of protons in an atom’s nucleus, and it uniquely identifies the element on the periodic table. Uranium has 92 protons, so its atomic number is 92. The mass number can vary with different isotopes (for example, uranium-235 or uranium-238), but the atomic number stays fixed at 92. The other numbers listed correspond to different elements: 79 is gold, 80 is mercury, and 82 is lead.

The atomic number is the number of protons in an atom’s nucleus, and it uniquely identifies the element on the periodic table. Uranium has 92 protons, so its atomic number is 92. The mass number can vary with different isotopes (for example, uranium-235 or uranium-238), but the atomic number stays fixed at 92. The other numbers listed correspond to different elements: 79 is gold, 80 is mercury, and 82 is lead.

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