Sulfur has an atomic number of 16. You have found an isotope that has a mass of 35. What is different about this isotope than a sulfur atom with a mass of 32?
An atom contains 2 sorts of massive particles, which are both located in the nucleus.
Positively charged nuclear particles, are termed
In your problem, you have two sulfur isotopes. Because it is
We would represent the isotopes as
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