The binding energy of 2p electron in Lithium refers to the amount of energy required to remove the 2p electron from a Lithium atom in its ground state. It is a measure of the strength of the attraction between the electron and the nucleus of the atom.
The binding energy of 2p electron in Lithium can be calculated using the formula Eb = En - E2p, where Eb is the binding energy, En is the energy of the Lithium atom in its ground state, and E2p is the energy of the 2p electron in the atom.
The binding energy of 2p electron in Lithium plays a crucial role in determining the stability and chemical properties of the atom. It also affects the ionization energy and electron affinity of Lithium.
The binding energy of 2p electron in Lithium is relatively low compared to other elements due to the small size of the Lithium atom and the presence of only one 2p electron. It is higher than hydrogen, but lower than other elements in the same period of the periodic table.
The binding energy of 2p electron in Lithium decreases as more electrons are added to the atom. This is because the additional electrons shield the 2p electron from the attraction of the nucleus, making it easier to remove. However, the decrease in binding energy is not significant until all 3p orbitals are filled.