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Elements belonging to the same period ha...

Elements belonging to the same period have

A

Same valency electrons

B

Same under of shells

C

Same atomic size

D

Same electron affinity

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BEYOND PUBLICATION-CLASSIFICATION OF ELEMENTS THE PERIODIC TABLE-EXERCISE
  1. Which of the following indicates the correct order of variation in ato...

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  2. Choose the correct answer for the following matching :

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  3. Elements belonging to the same period have

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  4. The scientist who made maximum contribution towards periodic table was

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  5. Which of the following sets of atomic numbers corresponds to the atomi...

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  6. Atomic numbers of last elements of 'd' block and p block of incomplete...

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  7. The outermost shell of a representative element contains x electrons a...

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  8. Which of the following statements about the modern periodic table are ...

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  9. Choose the right properties of periodic table. (a) Atomic radius incr...

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  10. Which of the following species does have electrons equal to 18 ? (a) K...

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  11. Pick out the correct statements about chlorine atom. (a) Chlroine is ...

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  12. What are the elements that belonged to 18th (or) '0' group ? (a) Heliu...

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  13. Electronic configuration from ns^2 np^1 to np^2 np^6 are called

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  14. 1 pm = …………..

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  15. block elements are called as lanthanides and actinides in modern perio...

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  16. "The law states hat the physical and chemical properties of the ...

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  17. VI A group elements are called chalcogens. This is because

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  18. The general electronic configuration of d-block elements is

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  19. The size of anion is more than neutral atom. This is due to

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  20. Which of the following is correct with respect to size ?

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