13. An element of atomic no. 29 belongs to A.S-block B.D-block C.P-block D.F-block
Answer: Option B Solution: Copper (Cu) has the atomic number of 29. Copper belongs to the d-block which is the collective name for Groups 3 to 12 in the periodic table. Most of the d-block elements are considered to be metals, with a common lustrous metallic appearance.
