JEE Main 2020 Chemistry question

ChemistryClassification of Elements and Periodicity in PropertiesJEE Main 2020

Among the statements (I – IV), the correct ones are : (I) Be has smaller atomic radius compared to Mg. (II) Be has higher ionization enthalpy then Al. (III) Charge/radius ratio of Be is greater than that of Al. (IV) Both Be and Al form mainly covalent compounds.

Answer: (A)

Solution

Question ID VK-011092