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Atomic Structure Atomic Number and Mass Number

1

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In the standard notation of a nuclide, the mass number and atomic number are written:

Verified Answer & Explanation⌄

Correct Answer: A) Mass number at the upper left and atomic number at the lower left of the element symbol

Concept Explanation

The mass number is written at the upper left and the atomic number at the lower left. Example: ²³₁₁Na

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