Calculate the number of protons, neutrons and electrons in ${}_{35}{}^{80}\mathrm{Br}$.

Protons = 35,electrons = 35, neutrons = 45

Protons = 80 electrons = 80, neutrons = 35

Protons = 35, electrons = 55, neutrons - 80

Protons = 35, electrors = 35, neutrons = 80