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

Question

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

pooja195 · Answer

oxygen- # <---this is the mass number
so to calculate the mass number we do
$$\huge~\rm~Mass= Protons+Neutrons$$