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The two electrons in K sub-shell will differ in:
(1)Principal quantum number
(2)Azimuthal quantum number
(3)Magnetic quantum number
(4)Spin quantum number
Ans:Spin quantum number
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A sub-shell l= 2 can take how many electrons: (1) 3 (2) 10 (3) 5 (4) 6 Ans: 10
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