11th Class Chemistry Classification of Elements and Periodicity in Properties

  • question_answer 63)   Electronic configuration of four elements A, B, C and D are given below : A. \[1{{s}^{2}}2{{s}^{2}}2{{p}^{6}}\]                         B. \[1{{s}^{2}}2{{s}^{2}}2{{p}^{4}}\]                         C. \[1{{s}^{2}}2{{s}^{2}}2{{p}^{6}}3{{s}^{1}}\]           D. \[1{{s}^{2}}2{{s}^{2}}2{{p}^{5}}\] Which of the following is the correct order of increasing tendency to gain electron? (a) A < C < B < D                (b) A < B < C < D                                (c) D < B < C < A                (d) D < A < B < C


      (a) Not Available Solution

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