NCERT Exercise 2.1 - Structure of Atom
Question: Calculate (i) electrons that together weigh 1 g and (ii) mass and charge of one mole of electrons.
Answer: (i) 1.099 x 10^27 electrons; (ii) 5.48 x 10^-7 kg and -9.65 x 10^4 C.
Full step-by-step NCERT solution with diagrams on Something by Zero.