The ionisation energy o `Li^(2+)` atom in ground state is,

The ionisation energy of Li^(2+) atom in ground state is,

Calculate the ionisation energy of Li^(2+) atom in ground state.

Calculate the energy required for the process He^(+)(g) to He^(2+)(g)+e The ionisation energy of the H-atom in the ground state is 2.18xx10^(-18)J"atom"^(-1) .

The ionisation energy for the H-atom in the ground state is xJ*"atom"^(-1) . Show that the energy requried for the process, He^(+)(g) to He^(2+)+e , is 4x" "J*"atom"^(-1) .

Calculate the energy required for the process He ^(+) (g) to He ^(2+) (g) + e ^(-) The ionisation energy for the H-atom in the ground state is 2. 18 xx 10 ^(-18) J "atom" ^(-1).

An electron is orbitting in the fourth Bohr orbit. Calculate the ionisation energy for this atom, if the ground state energy is -13.6 eV.

The ionisation energy of an electron in the ground state of helium atom is 24.6eV. The energy required to remove both the electron is