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HELP ME PLEASE AND HURRY !!!!!!
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HELP ME PLEASE AND HURRY !!!!!!

HELP ME PLEASE AND HURRY !!!!!!-example-1
User Sachin Chavan
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The numbers of protons and neutrons determine an elements mass number. Subtract the number of protons from the neutrons or atomic number from the mass number
User Nathaniel Elkins
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Answer:

mass number = protons + neutrons

User Faby
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