Multiple choice

Why does atomic radii decrease when moving across the periodic table?

  1. Electrons are added in same shell which increases attraction between nucleus and electrons in outermost shell.

  2. The decrease in ionization, decreases the atomic radii.

  3. The distance between the nucleus and electrons in outermost shell increases.

  4. None of these

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Yes, it is correct as along the period electrons are added in the same outer shell.