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The number of electrons in the valence shell of calcium is:
(1) 6
(2) 8
(3) 2
(4)4
Ans: 2
Half life of reaction refers to as the time during which the concentration of the reactants is reduced to half of the initial concentration or it is the time essential for the comp
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Homocyclic or Carbocyclic - Closed Chain Compounds Homocyclic are the compounds that comprising a ring or rings of carbon atoms just only in the molecule. The homocyclic or c
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