11th Class Chemistry Classification of Elements and Periodicity in Properties

  • question_answer 49) Considering the elements, B, C, N, F and Si the correct order of their non-metallic character is: (a) B > C > Si > N > F (b) Si > C > B > N> F (c) F > N > C > B > Si (d) F > N > C > Si > B

    Answer:

    (c) In a period, non-metallic character increases from left to right. F > N > C > B In a group, non-metallic character decreases from top to bottom. C > Si  


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