Assertion (A) : sodium formss a monovalent ion. Reason (R ) : Sodium loses only one electron from second last shell.A. Both A and R are true and R is the correct explanation For A.B. Both A and R are true but R is not the correct explanation for A.C. A is true and R is false.D. A is false and R is true.

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

1.	Assertion (A) : sodium formss a monovalent ion. Reason (R ) : Sodium loses only one electron from second last shell.A. Both A and R are true and R is the correct explanation For A.B. Both A and R are true but R is not the correct explanation for A.C. A is true and R is false.D. A is false and R is true.
Answer» Correct Answer - 3 Sodium loses only one electron from its outer most shell or valence shell and forms monovalent ion.

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