Chemistry · Structure of atom

Match List-I with List-II: List-I List-II A Protium I 1 proton, 1 neutron B Deuterium II 1 proton, 2 neutrons C Tritium III 1 proton, 0 neutrons D Nucleons IV Protons and neutrons Choose the correct answer from the options given below:

1. A
   A-(I), B-(III), C-(II), D-(IV)
2. B
   A-(III), B-(I), C-(II), D-(IV)
3. C
   A-(III), B-(II), C-(I), D-(IV)
4. D
   A-(IV), B-(III), C-(II), D-(I)