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There is no relation ship. They have the lowest ionization energies.
Metals have the least ionization energy
As you go down the group (any group), ionization energy decreases. So in terms of ionization energy, for the alkali metals, Lithium > Sodium > Potassium > Rubidium > Caesium > Francium
It is about first ionization energy. It is less than alkaline earth metals.
the lowest ionization energy in IA :hydrogen ,lithiun ,sodium and potassium
mercury
There is no relation ship. They have the lowest ionization energies.
Metals have the least ionization energy
As you go down the group (any group), ionization energy decreases. So in terms of ionization energy, for the alkali metals, Lithium > Sodium > Potassium > Rubidium > Caesium > Francium
Metals lose electrons more easily than the non-metals because they require less ionization energy compared with the non-metals. The metals require less ionization energy to lose the electrons than though gain the electrons unlike the non-metals.
It is about first ionization energy. It is less than alkaline earth metals.
low ionization energy
The first level ionization energy oif aluminium is 577,5 kJ/mol.All alkali metals have lower values for the ionization energy.
the lowest ionization energy in IA :hydrogen ,lithiun ,sodium and potassium
Sodium has the greatest ionization energy of the four elements listed from column 1 of a wide form periodic table. Among this group of metals that readily form cations, the largest always has the lowest ionization energy and the smallest has the most. This is generally ascribed to the fact that the valence shell electron is further from the nucleus in the largest element and nearest in the smallest element.
When the ionization energy becomes too great.
The only one that does move is the outer electron. That is why they have a valency of 1 and it is also why their reactivity increases down the group as the attraction of the nucleus becomes less as the outter electron becomes further away from it.