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Molten sodium chloride conducts electricity due to the presence of:
(1) Free electrons
(2) Free ions
(3) Free molecules
(4) Atoms of sodium and chlorine
Ans: Free ions
Which of the following set of quantum numbers belong to highest energy: (1) n=4, l=0, m=0, s= +1/2 (2) n=3, l=0, m=0, s= +1/2 (3) n=3 l=1, m=1, s
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The maximum number of electrons present in an orbit l= 3 , is: (1) 6 (2) 8 (3) 10 (4) 14 Ans: 14
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