Electronic Configyration of Elements :
Electronic configuration is the distribution of electrons into different shells, subshells and orbitals of an atom. See fig.1.
`text(Alternatively)`
Orbital can be represented by a box and an electron with its direction of spin by arrow. To write the electronic configuration, we need to know (i) the atomic number (ii) the order in which orbitals are to be filled (iii) maximum number of electrons in a shell, sub- shell or orbital.
(A) Each orbital can accommodate two electrons
(B) The number of electrons to be accomodated in a sub shell is `2xx`number of degenerate orbitals. See fig.2.
(C) The maximum number of electron in each shell (`K`, `L`, `M`, `N` ... ) is given by `2n^2`. Where `n` is the principal quantum number.
(D) The maximum number of orbitals in a shell is given by `n^2` where `n` is the principal quantum number.
`text(Alternatively)`
Orbital can be represented by a box and an electron with its direction of spin by arrow. To write the electronic configuration, we need to know (i) the atomic number (ii) the order in which orbitals are to be filled (iii) maximum number of electrons in a shell, sub- shell or orbital.
(A) Each orbital can accommodate two electrons
(B) The number of electrons to be accomodated in a sub shell is `2xx`number of degenerate orbitals. See fig.2.
(C) The maximum number of electron in each shell (`K`, `L`, `M`, `N` ... ) is given by `2n^2`. Where `n` is the principal quantum number.
(D) The maximum number of orbitals in a shell is given by `n^2` where `n` is the principal quantum number.