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