NCERT Exercise 2.2 - Structure of Atom
Question: Calculate particles in methane, 7 mg 14C and 34 mg NH3 as asked, including neutron and proton masses.
Answer: (i) 6.022 x 10^24 electrons; (ii) 2.4088 x 10^21 neutrons, 4.0347 x 10^-6 kg; (iii) 1.2044 x 10^22 protons, 2.015 x 10^-5 kg. Temperature and pressure do not change the answer.
Full step-by-step NCERT solution with diagrams on Something by Zero.