In the third row of the periodic table,the atomic radii from $Na$ to $Cl$:

  • A
    Continuously decreases
  • B
    Continuously increases
  • C
    Remains constant
  • D
    Increases but not continuously

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Which of the following is the correct order of ionic radii?

Which of the following ions is the smallest in size?

How would you explain the lower atomic radius of $Ga$ as compared to $Al$?

How does atomic radius vary in a period and in a group? How do you explain the variation?

Which group elements have the smallest atomic radii in their respective periods?

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