which element has highest ionization energy hydrogen Lithium Boron or sodium why
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The first ionization energy for helium is slightly less than twice the ionization energy for hydrogen because each electron in helium feels the attractive force of two protons, instead of one. It takes far less energy, however, to remove an electron from a lithium atom, which has three protons in its nucleus.
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The first ionization energy for helium is slightly less than twice the ionization energy for hydrogen because each electron in helium feels the attractive force of two protons, instead of one. It takes far less energy, however, to remove an electron from a lithium atom, which has three protons in its nucleus.
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the answer is hydrogen
as the ionization energy decreases from top to bottom as the nuclear radius increases
as the ionization energy decreases from top to bottom as the nuclear radius increases
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