Multiple Choice Questions on Which of the given elements A B C D and E with atomic number 2 3 7 10 and 30 respectively belong to ........... for 10th Standard Preparation

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Multiple Choice Questions

Which of the given elements A B C D and E with atomic number 2 3 7 10 and 30 respectively belong to ...........

Chemistry Chapter - 5
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    Which of the given elements A, B, C, D and E with atomic number 2, 3, 7, 10 and 30 respectively belong to the same period?

    A, B, C

    Incorrect Answer

    B, C, D

    Correct Answer

    A, D, E

    Incorrect Answer

    B, D, E

    Incorrect Answer
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    Explanation:

    Element with atomic number belong to first period and element B, C and D belongs to second period.

    By: santosh
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