p-Block elementsHard
Question
The metallic lustre exhibited by sodium is explained by :
Options
A.diffusion of sodium ions
B.oscillation of loose electron
C.excitation of free protons
D.existence of body centred cubic lattice
Solution
Heavy water is oxMetallic lustre of metals is due to presence of free electrons which abosrb energy from light and re-emits it when electron de-excites the Iutre of Na metal may be explained on the basis of its b.c.c lattice.
Create a free account to view solution
View Solution FreeMore p-Block elements Questions
A mixture of alumina and coke is heated in a current of nitrogen to about 1800oC and the product obtained is treated wit...Which of the following compound compound is a tribasic acid ?...Which of the following statement is true for sulphur dioxide?...The liquefied metal expanding on solidification is :...Which reaction cannot give anhydrous AlCl3 ?...