(a) Given the IUPAC name of element with atomic no.=114. (b) Explain why Cation are smaller and Anions larger in radii then their parent atoms.
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Solution
(a) Ununquadium is the element with atomic no. 114
(b). Cations are always smaller than their parent atoms this is because they have lesser electrons while their nuclear charge remains the same. The remaining electrons are, therefore held more tightly by the protons in the nucleus and thus their radii are smaller than the parents atoms.