Draw the atomic structure of Hydrogen atom.

Hydrogen atom has

Draw the atomic structure of sodium atom.

Statement (A) : Bohr-Sommerfeld model, through successful in accounting for the fine hydrogen for the line structure of hydrogen atom atom. Statement (B) : Bohr-Sommerfeld model is also account for the atomic spectra of atoms of more than one electron.

Which model successfully explained fine line structure of hydrogen atomic spectra?

If mass of He atom is 4 times that of hydrogen atom then mean velocity of He is

Calculate the wave length of atomic electron revolving in the third shell of hydrogen atom.

The wavelength of the electron in the first orbit of the Hydrogen atom is x. The wave length of the electron in the third orbit and the circumference of the third orbit of the Hydrogen atom are respectively

Energy of an electron in the ground state of hydrogen atom is -2.18xx10^(-18) J. Calculate the ionization enthalpy of atomic hydrogen in terms of "Jmol"^(-1) .