Answer
a. Uranium: 92 protons, 140 neutrons
b. Nitrogen: 7 protons, 11 neutrons
c. Hydrogen: 1 proton, 0 neutrons
d. Strontium: 38 protons, 48 neutrons
e. Fermium:100 protons, 152 neutrons
Work Step by Step
The atomic number tells us the number of protons. The number of neutrons is the mass number minus the number of protons.