Show the distribution of electrons in oxygen atom (Atomic number 8) using orbital diagram.

Write the distribution of electrons in a nitrogen atom. (Atomic number of nitrogen = 7 )

Write the distribution of electrons in carbon and sodium atoms.

Write the distribution of electrons in an atom of element whose atomic number is 18. What is special about the outermost electron shell (or valence shell) of the atom of this element ?

Who gave the distribution of electrons in the various shells of an atom ?

The central oxygen atom in ether is :

The energy of an electron in nth orbit of hydrogen atom is