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Get Answers to all your Questions
An atom of element X contains 15 electrons and 16 neutrons. State the mass number.
Answers (1)
Mass number = Number of protons + Number of neutrons
Now, number of protons = number of electrons
Thus, number of protons = number of electrons = 15 and number of neutrons = 16
Mass number = 15 + 16 = 31
View full answer
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