1. Tardigrade
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  3. Chemistry
  4. When we go down the group, the principal quantum number (n) increases and the valence electrons are farther from the nucleus because

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Q. When we go down the group, the principal quantum number $(n)$ increases and the valence electrons are farther from the nucleus because

Classification of Elements and Periodicity in Properties

Solution:

When we move down the group, the principal quantum number $(n)$ increases and the valence electrons move farther from nucleus. This happens because the inner energy levels are filled with electrons.