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In the modern periodic table, the period...

In the modern periodic table, the period indicates the value of :

A

atomic number

B

atomic mass

C

principal quantum number

D

azimuthal quantum number.

Text Solution

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(c) Principal quantum number.
In modem periodic table, each period begins with the filling of a new shell.
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ICSE-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-NCERT TEXT-BOOK. EXERCISE (With Hints and Solutions)
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  2. The first (Delta(i), H(1)) and the second (Delta, H(2)) ionisation ent...

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  3. The first (Delta(i), H(1)) and the second (Delta, H(2)) ionisation ent...

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  4. The first (Delta(i), H(1)) and the second (Delta, H(2)) ionisation ent...

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  5. Calculate the work done when 1.0 mole water at 373K vaporizes against ...

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  6. The first (Delta(i), H(1)) and the second (Delta, H(2)) ionisation ent...

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  7. Predict the formulae of the stable binary compounds that would be form...

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  8. Predict the formulae of the stable binary compounds that would be form...

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  9. Predict the formulae of the stable binary compounds that would be form...

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  10. Predict the formulae of the stable binary compounds that would be form...

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  11. Predict the formulae of the stable binary compounds that would be form...

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  12. Predict the formulae of the stable binary compounds that would be form...

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  13. In the modern periodic table, the period indicates the value of :

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  14. Which of the following statements related to the modern periodic table...

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  15. Anything that influences the valence electrons will affect the chemist...

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  16. The size of isoelectronic species - F^(-), Ne and Na^(+) is affected b...

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  17. Which one of the following statements is incorrect in relation to ioni...

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  18. Considering the elements B, Al, Mg, and K, the correct order of their ...

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  19. Considering the elements B, C, N, F, and Si, the correct order of thei...

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  20. Considering the elements F, Cl, O and N, the correct order of their ch...

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