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NTA Abhyas NEET2020ChemistryClassification of Elements and Periodicity in PropertiesPractice

A l 3 + has low ionic radius than M g 2 + because

Options

  1. AA l 3 + has high nuclear charge than M g 2 +
  2. BMg atom has less no. of neutrons than Al atom
  3. CMg and Al differ in electronegativity values
  4. DAl atom has low IE value than Mg atom

Correct answer

A. A l 3 + has high nuclear charge than M g 2 +

Step-by-step solution

Atomic radius is inversely proportional to nuclear attraction. A l 3 + has high nuclear charge than M g 2 + therefore A l 3 + has low ionic radius than M g 2 +

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