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

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 quantym number of any element of the period.

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The correct Answer is:
C
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RESONANCE ENGLISH-PERIODIC TABLE & PERIODICITY-Exercise
  1. Calculate the molar mass of sodium acetate.

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  2. Explain the following a) Electronegatively of elements increase on m...

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

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  4. Which of the following statements about modern periodic table is incor...

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  5. The elements in which electrons are progressilvely filled in 4f-orbial...

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  6. Which of the following statements is not correct regarding hydrogen:

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  7. Atomic number of Ag is 47. in the same group, the atomic numbers of el...

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  8. In modern periodic table, the element with atomic number Z = 118 will ...

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  9. The order of screeing effect of electrons of s,p,d and f orbitals of a...

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  10. Which of the following is generally true regarding effective nuclear c...

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  11. Among following species which of them have maximum Z(eff)

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  12. From the given set of species, point out the species from each set hav...

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  13. The atomic number of an element which can not show the oxidation stat...

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  14. The most common oxidation state of an element is -2. The number of ele...

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  15. Most stable oxidation state of gold is:

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  16. Which can have both +ve and -ve oxdiation states in their compounds

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  17. The oxidation state of nitrogen varies from:

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  18. Which of the following metals exhibits more than one oxidation state?

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  19. Electrons of which subshell do not partcipate in bonding due to inert ...

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  20. Thallium shows different oxidation states due to :

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