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The period number in the long form of th...

The period number in the long form of the periodic table is equal to

A

magnetic quantum number of any element of the period

B

atomic number of any element of the period

C

maximum Principal quantum number of any element of the period

D

maximum Azimuthal quantum number of any element of the period

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The correct Answer is:
C
Period is decided by principls quantum number.
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The period number in the long form of periodic table is not equal to A)Magnetic quantum number of any element of the period B)Atomic number of any element of the period C)Maximum azimuthal quantum number of any element of the period D)Maximum principal quantum number of any element of the period

The period number in the long form of periodic table is equal to (A) Maximum azimuthal quantum number of any element of the period (B) Magnetic quantum number of any element of the period (C) Atomic number of any element of the period (D) Maximum principal quantum

The period number of a long form of periodic table represents:

The number of periods in the long from of periodic table is

There are seven periods in the long form of the periodic table.

NARAYNA-CLASSIFICATION OF ELEMENTS AND PERIODICITY -EXERCISE - 1 (C.W)
  1. Which of the following is not an actinoid?

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  2. The period number in the long form of the periodic table is equal to

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  3. The elements in which electrons are progressively filled in 4f-orbital...

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  4. Which of the following set of elements follows Dobereiner's law of tri...

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  5. The discovery of which of the following group of elements gave a death...

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  6. Elements which occupied position in the lother meyer curve, on the pea...

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  7. The alpha helix in a protein is classified as the

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  8. Which is incorrect statement in respect of Mendeleev's periodic table ...

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  9. (a) How do the properties of eka-aluminium element predicted by Mendel...

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  10. Consider the isoelectronic species, Na^(+),Mg^(2+),F^(-) and O^(2-). T...

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  11. Which one of the following is correct order of the size of iodine spec...

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  12. The atomic radii in case of inert gases is

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  13. Which of the following sequence of elements is arranged in the order o...

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  14. Which of the following sets contain only isoelectronic species?

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  15. The ionic species having largest size is

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  16. The first ionisation potential of Na,Mg,Al and Si are in the order

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  17. Arrange S, P and As in order of increasing ionisation energy.

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  18. The element with the highest first ionization potential is:

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  19. Which of the following represents the correct order of increasing firs...

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  20. The second electron gain enthalpies (in kJ mol^(-1)) of oxygen and sul...

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