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OpenStudy (anonymous):
WILL GIVE MEDAL EASY MEAL HOUR! One isotope of oxygen has 8 protons and 10 neutrons. Which is the correct reference for this isotope? A. oxygen-10 B. oxygen-8 C. oxygen-2 D. oxygen-18
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pooja195 (pooja195):
oxygen- # <---this is the mass number so to calculate the mass number we do \[\huge~\rm~Mass= Protons+Neutrons\]
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