10th Class Science Sample Paper Science Sample Paper-6

  • question_answer
    The electronic configuration of four elements A, B, C and D are given below. A: 2, 8, 1                       B: 2, 8, 7 C: 2, 8, 8                                   D: 2, 4 Which of the following options is incorrect?

    A) Element A is a metal.

    B) Element C is a noble gas.

    C) Elements A and B will combine to form an ionic bond.

    D) Elements B and D will combine to form covalent bond.

    E) None of these

    Correct Answer: E


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