For a particular isotope of element $Q$, the nuclide notation is $^R_ZQ$. In a neutral atom of this isotope, what is the combined total of protons, neutrons and electrons?
- A$Z$
- B$R$
- C$Z + R$
- D$2Z + R$
Physics 5054 · O Level · The atom
For a particular isotope of element $Q$, the nuclide notation is $^R_ZQ$. In a neutral atom of this isotope, what is the combined total of protons, neutrons and electrons?