1.

Assertion (A): Copper is a monoatomic solid.Reason (R): In a metal the valence electrons belong to all atoms.

A. Both A and R are true and R is correct explanation of A
B. Both A and R are true but R is not correct explanation of A
C. A is true but R is false
D. A is false but R is true
Answer» C. A is true but R is false


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