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Which of the following statements about ...

Which of the following statements about the Modern Periodic Table is correct?

A

It has 18 horizontal rows known as periods.

B

It has 7 vertical columns known as periods.

C

It has 18 vertical columns known as groups.

D

It has 7 horizontal rows known as groups.

Text Solution

Verified by Experts

The correct Answer is:
C
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Knowledge Check

  • Modern periodic table is based on

    A
    Atomic mass
    B
    Mass number
    C
    Atomic number
    D
    Atomic volume

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    B
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    C
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    D
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  • Which one of the following statements about viruses is correct?

    A
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    C
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    D
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