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Which elements is named after the name o...

Which elements is named after the name of a planet is

A

Hg

B

Np

C

Pu

D

Ra

Text Solution

Verified by Experts

The correct Answer is:
B, C
Np, Pu and Ra re radioactive but Np and Pu have beenn named after the names of the planets Neptune and Pluto.
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VK JAISWAL ENGLISH-PERIODIC PROPERTIES-ONE OR MORE ANSWERS IN/ARE CORRECT
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  2. A change of Zn to Zn^(2+) is a accompanied by a decrease in:

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  3. Which elements is named after the name of a planet is

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  5. There are three elements A, B and C. their atomic number are Z(1), Z(2...

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  6. Consider the following representation based on long form of periodic t...

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  7. Which of the following match is/are correct regarding B, Al, C and S e...

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  8. Consider the value of all four quantum number for last electron and sp...

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  9. An element 'X' present in its ground state, the value of principal ann...

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  10. Which of the following pairs have approximately the same atomic radii?

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  11. The correct order of radiii is/are:

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  12. The first ionisation energy of first atom is greater than that of seco...

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  13. Ionization energy of an element is:

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  14. Consider the following ionization stesps: M(g) ot M^(+)(g)+e^(-)," ...

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  15. Select the correct order of periodic properties of sepecies:

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  16. Select the incorrect statement(s)/order (s):

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  17. Consider the following values of I.E.(eV) for elements W and X: {:("...

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  18. The sum of IE(1) and IE(2), IE(3) and IE(4) for element P and Q are g...

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  19. Consider the successive ionisation energy for an element 'A' IE(1),I...

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  20. According to Slater's rule, correct order of Z(eff) on valence shell e...

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