Q. Neutron have not property of

View solution

Q. For derivation of radius charge on nucleus is assumed to be

View solution

Q. Element which has 1s22s22p2x2p2y2p2 electronic configuration is

View solution

Q. Positive rays in discharge tube produced glow on wall opposite to

View solution

Q. X Rays produced in experiment are emitted in

View solution

Q. Total number of electrons in s-sub shell are

View solution

Q. Value of radius 2.11 angstrom is for

View solution

Q. For L shell value of n is

View solution

Q. Value of factor used for calculating energy of electrons is negative and it is

View solution

Q. Cathode rays are not simply rays but they are actually

View solution

Q. Spectral lines of hydrogen atom which comes in IR region forms

View solution

Q. Atomic spectrum is also produced by heating of elements in

View solution

Q. After Bohr atomic model series of spectral line of hydrogen atom discovered was

View solution

Q. Quantum theory was proposed in

View solution

Q. Spectral lines for X-rays are divided into major groups which are

View solution

Q. Quantum number is measure of size of electronic shell, which is

View solution

Q. Glow in discharge tube disappears when pressure is

View solution

Q. Electron is lighter than proton about

View solution

Q. By help of Moseley law atomic number of

View solution

Q. Elements were properly arranged in Mendeleev periodic table by

View solution