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The maximum number of electrons which each sub-shell can occupy is:
(1) 2n2
(2) 2n
(3) 2 (2l+1)
(4) (2l+1)
Ans: 2(2l+1)
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The following has zero valency : (1) Sodium (2) Beryllium (3) Aluminium (4) Krypton Ans: Krypton
What gas form by the hydrolysis of CaCN 2 ? Write down the equation of the reaction of CaCN 2 with water.
The number of electrons in [ 40 19 k ] -1 is: (1) 19 (2) 20 (3)18 (4)40 Ans: 40
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Draw C5H10O2 that has the following 1H NMR spectrum: 1.15 (t, 3 H), 1.25 (t, 3 H), 2.33 (q, 2 H), 4.13 (q, 2 H).
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theory of the acidic and basic radicals in different chocolates
assignment
#question.synthesis , postad date 1/12/2013, australia
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