The pattern of electrons and energy levels for both periods and rows of the periodic table is such that the elements of the same period belong to the same energy level as suggested by Bohr,s model that the electrons revolve around the nucleus at different energy levels and orbits.
The term "electronegativity" describes how attracted an atom is to the bonding electrons in molecules as opposed to other atoms.
In comparison to small electronegativity values, large electronegativity values show a stronger attraction for electrons.
According to Bohr's hypothesis, which states that the electrons circle the nucleus at various energies and levels,
Thus, the pattern of electrons and energy levels for both the periods and rows of the periodic table is such that the elements belonging to the same period correspond to the same energy level.
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