Home

Cathode rays contain a stream of

A. n

B. r

C. e0+1

D. e0-1

Please do not use chat terms. Example: avoid using "grt" instead of "great".

You can do it
  1. Which elements is represented by the following electronic configuration?
  2. The velocity of a photon is
  3. The orbitals with maximum number of possible orientation is:
  4. A dipositive ion Z++ has 2e- in the K shell, 8 e~ s in the L shell and 8e- in the M shell. Atomic number…
  5. The maximum number of electrons that can be accommodated by an atom in g-sub-energy level are
  6. The fundamental particle that has least mass is
  7. No two electrons in an atom can have the same values of all four quantum numbers according to
  8. The wavelength of an electron moving with a velocity 5×105m sec-1 is (h=6.63 ×10-34 kg m2 sec-1) 
  9. The number of unpaired electrons in a chromic ion Cr+3 (atomic number 24) is
  10. Davisson and Germer gave an experimental evidence for
  11. Mass of positron is the same to that of
  12. The possible values of l for an s orbital are
  13. The correct set of quantum numbers for the impaired electron of fluorine atom is
  14. The corect set of quantum numbers for the impaired electron of fluorine atom is
  15. The maximum number of electrons in a sub-energy level is equal to
  16. In the case of atomic spectrum of hydrogen which series of lines lie in the visible region?
  17. The ion that is isoelectronic with CO is
  18. Among the following ions, which are has the highest paramagnetism?
  19. For a given energy level the number of orbitals is equal to
  20. The angular momentum of the moving electron is equal to
  21. In the nucleus of C20a40 there are
  22. Isotones have same
  23. In Lyman series an electron jumps from higher energy level to
  24. The number of unpaired electrons in fluorine atoms is/are
  25. β rays are a stream of
  26. The number of unpaired electrons in the ground state of chromium is
  27. Cathode rays contain a stream of
  28. The atomic number of an element having the valence shell electronic configuration 4s24p6 is
  29. When the electron is excited from K level to M level we get
  30. The number of neutrons present in K1939 are