Ask Question
3 October, 19:57

Why doesn't the mass number of an isotope match the atomic mass given on the periodic table?

+2
Answers (2)
  1. 3 October, 22:42
    0
    Because in nature you will never see an atom by itself they are always together so you have the average number.
  2. 3 October, 23:08
    0
    Because the atomic mass given there is an average of all the atomic masses of the element's known isotopes
Know the Answer?
Not Sure About the Answer?
Get an answer to your question ✅ “Why doesn't the mass number of an isotope match the atomic mass given on the periodic table? ...” in 📙 Chemistry if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Search for Other Answers