Answer:
Isotopes
Explanation:
Isotopes are the same element with different masses because of the different number of neutrons. Also, the element doesn't change. If we change the protons, the element will change and then it won't be an isotope. Hope it helps!
The number of <u>protons</u> in the nucleus determines an element's atomic number.
234567890
2.31 C₆H₁₂O₆
Hope this helps
making an observation
its the right answer
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