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Which one is the fundamental property of...

Which one is the fundamental property of an element-atomic number or mass number?

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To determine which property is fundamental for an element between atomic number and mass number, we need to analyze both terms and their significance. ### Step-by-Step Solution: 1. **Define Atomic Number**: The atomic number (Z) of an element is defined as the number of protons present in the nucleus of an atom of that element. **Hint**: Remember that the atomic number uniquely identifies an element. ...
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