How many protons, neutrons, and electrons are in ¹¹⁹Sn²⁺? 

a. 50 p, 69 n, 48 e^-

b. 50 p, 69 n, 50 e^- 

c. 119 p, 50 n, 69 e^- 

d. 69 p, 50 n, 69 e0 

e. 50 p, 119 n, 52 e^-