sblock Elements 1 Question 31

31. The metallic lustre exhibited by sodium metal is explained by

(1987, 1M)

(a) diffusion of sodium ions

(b) oscillation of loose electron

(c) excitation of free protons

(d) existence of body centred cubic lattice

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Answer:

Correct Answer: 31. (b)

Solution: Metallic lustre of any metal is due to oscillation of free electrons present in the metal.