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ಠ_ಠ Need HELP ಠ_ಠ Element A has 15 protons. Determine the number of neutrons in its isotope with mass number 33. a) 15 b)18 c)33 d)48
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ಠ_ಠ Need HELP ಠ_ಠ

Element A has 15 protons. Determine the number of neutrons in its isotope with mass number 33.


a) 15



b)18



c)33



d)48

User Sohan Das
by
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1 Answer

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Mass number represents the sum of the protons and the neutrons.

Mass number = # protons + # neutrons

So, since we are given the mass number and the number of protons, we can plug those in to find the number of neutrons.

33 = 15 + ?
User CookieEater
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