Complete the following nuclear equations. Write the mass number, atomic number, and symbol for the remaining particle.
a. $^{18}_9$F → $^0_1$β + ?
b. $^{50}_{23}$V + $^0_{-1}$e → ?
c. ? → $^0_{-1}$β + $^{228}_{89}$Ac
d. $^{212}_{82}$Pb → $^0_{-1}$β + ?
e. $^{125}_{54}$Xe → $^0_{+1}$β + ?