Cathode rays contain a stream of
- Which elements is represented by the following electronic configuration?
- The velocity of a photon is
- The orbitals with maximum number of possible orientation is:
- 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…
- The maximum number of electrons that can be accommodated by an atom in g-sub-energy level are
- The fundamental particle that has least mass is
- 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)
- The number of unpaired electrons in a chromic ion Cr+3 (atomic number 24) is
- Davisson and Germer gave an experimental evidence for
- Mass of positron is the same to that of
- The possible values of l for an s orbital are
- The correct set of quantum numbers for the impaired electron of fluorine atom is
- The corect set of quantum numbers for the impaired electron of fluorine atom is
- The maximum number of electrons in a sub-energy level is equal to
- In the case of atomic spectrum of hydrogen which series of lines lie in the visible region?
- The ion that is isoelectronic with CO is
- Among the following ions, which are has the highest paramagnetism?
- For a given energy level the number of orbitals is equal to
- The angular momentum of the moving electron is equal to
- In the nucleus of C20a40 there are
- Isotones have same
- In Lyman series an electron jumps from higher energy level to
- The number of unpaired electrons in fluorine atoms is/are
- β rays are a stream of
- The number of unpaired electrons in the ground state of chromium is
- Cathode rays contain a stream of
- The atomic number of an element having the valence shell electronic configuration 4s24p6 is
- When the electron is excited from K level to M level we get
- The number of neutrons present in K1939 are