Cathode rays contain a stream of

A. n

B. r

C. e0+1

D. e0-1

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  1. The number of neutrons in the deuterium atom is
  2. β rays are a stream of
  3. The velocity of a photon is
  4. The correct set of quantum numbers for the impaired electron of fluorine atom is
  5. Which of the following weighs the least?
  6. In the nucleus of C20a40 there are
  7. In Lyman series an electron jumps from higher energy level to
  8. The maximum number of electrons in a sub-energy level is equal to
  9. When the electron is excited from K level to M level we get
  10. The relationship between energy of a radiation and its frequency was given by
  11. Isotopes have different
  12. Argon is isoelectronic with
  13. The angular momentum of the moving electron is equal to
  14. The atomic structure of an atom of an element is Is 1s2, 2s22p6, 3s23p6. The element is
  15. The exchange of particles considered responsible for keeping the nucleons together are
  16. The number of unpaired electrons in fluorine atoms is/are
  17. Among the following ions, which are has the highest paramagnetism?
  18. Isotones have same
  19. The possible values of l for an s orbital are
  20. Cathode rays contain a stream of
  21. No two electrons in an atom can have the same values of all four quantum numbers according to
  22. The wavelength of an electron moving with a velocity 5×105m sec-1 is (h=6.63 ×10-34 kg m2 sec-1) 
  23. Which of the following atoms has a non-spherical outermost orbital.
  24. If value of h is taken as 10-34 kg m2 sec-1, the de-Broglie wavelength of a particle…
  25. The number of unpaired electrons in a chromic ion Cr+3 (atomic number 24) is
  26. Frequency of the wave having wave number 20000 cm-1 is
  27. The interrelationship between matter and energy was given by
  28. The maximum number of electrons that can be accommodated by an atom in g-sub-energy level are
  29. Wave number is defined as
  30. 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…