A) larger radii and larger size
B) smaller radii and larger size
C) larger radii and smaller size
D) smaller radii and smaller size
Correct Answer: A
Solution :
Key Idea Size or radii of anion is always larger than its neutral atom. Difference between S and \[{{S}^{2-}}\] is larger radii and larger size of \[{{S}^{2-}}\]. As the radii of the anion is always larger than the atomic radii of its parent atom. In an anion as electron or electrons are added to the neutral atom, the nuclear charge acts on more electrons, so that each electron is held less tightly and thereby, the electron cloud expands.
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