Pechy
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WHy is the first ionization energy for sodium much smaller than the secon ionization energy for sodium? i don't understand this.
The first ionization energy for sodium (Na) is significantly smaller than the second ionization energy due to the differences in electron shell configuration and atomic charge. When sodium loses its first electron, it becomes a positively charged ion (Na+), which results in a stronger electrostatic attraction between the remaining electrons and the nucleus. This increased attraction makes the removal of the second electron more difficult, thereby requiring more energy.
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