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Electonic configuration of an atom i...

Electonic configuration of an atom is 2,8,7, . To which of the following elements would would it be chemically similar ?

A

Nitrogen (Z = 7)

B

Fluorine (Z= 9)

C

Phosphorous (Z=15)

D

Argon (Z=18)

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BEYOND PUBLICATION-CLASSIFICATION OF ELEMENTS THE PERIODIC TABLE-EXERCISE
  1. Number of elements present in period - 2 of the long form per...

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  2. Nitrogen (Z=7) is the element of group V of the periodic table. Which...

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  3. Electonic configuration of an atom is 2,8,7, . To which of the ...

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  4. Which of the following is the most active metal ?

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  5. Which of the following element is belongs to 3 period and also a 17 (V...

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  6. Which of the following element belongs to the 4 period and IV B group ...

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  7. Electron affinity values of halogens are measured in

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  8. Which of the following elements are generally semi-conductors ?

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  9. Which group elements are called halogen family ?

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  10. In modern periodic table each periodic ends with

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  11. Who noted that there were groups of elements with three elements known...

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  12. Which of the following element family belongs to 16 (VIA) Group ?

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  13. Which block elements are called the inner transition elements ?

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  14. Which group elements are called Boron family ?

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  15. Which of the following group elements are called alkali metal family ?

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  16. Which block elements are called as transition metals ?

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  17. According to which of the following characteristic of an element the m...

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  18. Which of the following property is measured in 'pm' (pico meter) units...

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  19. Which of the following group elements are nitrogen family ?

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  20. By analysing which patterns the modern periodic table is proposed ?

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