In the following Isotope Table, how would one find the letter J? Add 40 and 44 Subtract 40 from 44 Multiply 40 by 44 Add 40 to the isotope's atomic numer

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Gombo · Answer 1 · 2023-10-17T07:45:08+0000

Answer:

A. Add 40 and 44

Step-by-step explanation:

mass number = protons + neutrons

protons = electrons

so mass number = 40 + 44