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Similarity in chemical properties of the...

Similarity in chemical properties of the atoms of elements in a group of the periodic table is most closely related to

A

atomic numbers

B

atomic masses

C

number of principal energy levels

D

number of valence electrons

Text Solution

Verified by Experts

The correct Answer is:
D
Chemical properties of elements in group are closely related because they have same number of valence electron.
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BRILLIANT PUBLICATION-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-QUESTIONS (LEVEL-II)
  1. An element X belongs to fourth period and fifteenth group of the perio...

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  2. The correct order of decreasing first ionization energy is:

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  3. Similarity in chemical properties of the atoms of elements in a group ...

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  4. In the long form of the periodic table, the valence shell electronic c...

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  5. In which of the following sets of atomic numbers, all the elements do ...

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  6. Which of the following element is just below in the E.C. of [Ne]3s^(2)...

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  7. Chloride of an element A gives neutral solution in water. In the perio...

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  8. Write the period number, group number and block of the element having ...

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  9. Among the elements with the following atomic numbers, which are d-bloc...

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  10. If the atomic number of an inert gas element is Z, then an element wit...

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  11. The process requiring absorption of energy is

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  12. Which of the following is correct regarding the variation of propertie...

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  13. The electronegativity of H, O and X are 2.1, 3.5 and 0.7 respectively....

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  14. ns^(2) np^(4) (n-outermost orbit) represents the valence electrons. T...

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  15. The statement that is not correct for the periodic classification of e...

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  16. lonization potential of phosphorus is greater than that of sulphur bec...

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  17. The electronic configuration of the element which is just above the el...

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  18. The electron affinity of nitrogen is lower than that of carbon because

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  19. The decreasing order of second ionisation potential of K, Ca and Ba is...

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  20. The incorrect statement among the following is:

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