Assertion (A) : sodium formss a monovalent ion.Reason (R ) :Sodium loses only one electron from second last shell.

Assertion (A) : sodium formss a monovalent ion.Reason (R ) :Sodium los

1.	Assertion (A) : sodium formss a monovalent ion.Reason (R ) :Sodium loses only one electron from second last shell.
Answer» Both A and R are true and R is the CORRECT explanation For A. Both A and R are true but R is not the correct explanationfor A. A is true and R is false. A is false and R is true. Solution :Sodium LOSES only one electron from its OUTER most SHELL or valence shell and forms monovalent ion.