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The elements which are radioactive and h...

The elements which are radioactive and have been named after the name of planet are

A

Hg

B

Ra

C

Np

D

Pu

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The correct Answer is:
C, D
Neptunium (Np) is name after the planet naptune
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DINESH PUBLICATION-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-All Questions
  1. Which elements among the following have same value of electronegativit...

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  2. Which of the following are amphoteric in nature ?

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  3. The elements which are radioactive and have been named after the name ...

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  4. Which of the following pairs contain elements with similar atomic radi...

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  5. The number of which subatomic particle is same in case of chlorine ato...

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  6. Which of the following statements are correct?

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  7. Which of the following pairs of species have nearly same size?

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  8. The correct order of the second ionisation potential of carbon, nitrog...

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  9. The correct order of IE(2) of C, N, O and F is

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  10. Atomic radii of fluorine atom and neon atom in angstrom units are resp...

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  11. The electronegativity of the following elements increases in the order

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  12. The value in electron-volt per atom which represent the first ionisati...

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  13. Which one of the following is the smallest in size?

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  14. Which of the following statements is/are false for the long form of th...

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  15. The first ionisation potential of Na,Mg,Al and Si are in the order

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  16. The outermost electronic configuration of the element with highest val...

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  17. Amongst the following elements (whose electronic configuration an gi...

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  18. Which one of the following is correct order of increase of size?

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  19. The statement that is not correct for periodic classification of eleme...

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  20. Which of the following has largest size ?

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