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Andre45 [30]
3 years ago
6

Why do all atoms of an element have the same atomic number, although they may have different mass numbers?. What do we call atom

s of the same element with different mass numbers?
Chemistry
1 answer:
3241004551 [841]3 years ago
7 0
The isotopes of an element differ in the number or neutrons whereas the number of protons or electrons of a neutral atom stays the same. The molar mass of the element is based on the percent abundances of different isotopes and the individual molar mass of each isotope. 
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