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In the short form of the modern periodic...

In the short form of the modern periodic table, the period number corresponds to the highest________quantum number of the elements in that period.

A

azimuthal

B

magnetic

C

spin

D

principal

Text Solution

Verified by Experts

The correct Answer is:
D
The highest principal quantum number in the electronic configuration of the element decides the period number.
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Knowledge Check

  • Assertion:In the present form of periodic table,the period number corresponds to the highest principal quantum number of the elements in the period. Reason:Elements having similar outer electronic configuration in their atoms belongs to same period.

    A
    If both assertion and reason is the correct explanation of assertion.
    B
    If both assertion and reason is the correct explanation of assertion.
    C
    If both assertion and reason is the correct explanation of assertion.
    D
    If both assertion and reason is the correct explanation of assertion.

  • In modern periodic table, the number of period is -

    A
    2
    B
    6
    C
    7
    D
    8

  • Modern periodic table has ...... periods.

    A
    18
    B
    8
    C
    7
    D
    17

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