Multiple Choice Questions on The elements A B C D and E have atomic number 9 11 17 12 and 13 respectively Which pair of elements ........... for 10th Standard Preparation

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Multiple Choice Questions

The elements A B C D and E have atomic number 9 11 17 12 and 13 respectively Which pair of elements ...........

Chemistry Chapter - 5
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    The elements A, B, C, D and E have atomic number 9, 11, 17, 12 and 13 respectively. Which pair of elements belong to the same group?

    A and B

    Incorrect Answer

    B and D

    Incorrect Answer

    A and C

    Correct Answer

    D and E

    Incorrect Answer
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    Explanation:

    A and C are fluorine and chlorine belongs to the same group.

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