| Jhanvi singhania asks : who discovered atom ? or who gave the name atom Democritus or Dalton ?\r\n |
| Neharani asks : a muon is an unstable elementry particle whose mass is 207me and whose charge is +e or -e .anegative muon can be captured by a nucleous to form a muonic atom a.aproton captures a u-. find the radious of the first bohr orbit of this atom.b.what is the ionizaticn energy of the atom |
| Chandra sekhar asks : can anyone explain spin of atom? |