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Which of the following atomic number is ...

Which of the following atomic number is named as Ununtrium.

A

103

B

104

C

110

D

113

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The correct Answer is:
D
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AAKASH SERIES-PERIODIC TABLE-OBJECTIVE EXERCISE -3
  1. If Aufbau rule is not followed, K - 19. will be placed in

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  2. M((g)) to M((g))^(+) + e^(-) , DeltaH=100 eV , M((g)) to M((g))^(2+) +...

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  3. Which of the following atomic number is named as Ununtrium.

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  4. The IUPAC name of ""(104)Rf is

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  5. The IUPAC name of ""(107)Bh is

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  6. Screening constant depends upon A) Number of inner shells B) Numbe...

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  7. Screening constant of Be is 2.05 and that of B is

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  8. Write any two properties which are decreased from top to bott...

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  9. Screening by inner electrons will be more effective in

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  10. Correct order of first ionisation potentials

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  11. In a period from left to right A) nuclear charge increases B) eff...

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  12. Relation between oxidation numbers and electronegativity is given by

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  13. Screening effect influences A) atomic radius B) Ionisation enthal...

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  14. {0} is a set contains the element……..

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  15. Number of unpaired electrons in Gd(Z =64) and the net electrons spin a...

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  16. For the process X((g)) + e^(-) rarr X((g))^(-), Delta H =x and X(g)^...

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  17. Some statements are given regarding nature of oxides (i) In second ...

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  18. When an electron adds on F atom, It becomes

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  19. On going down a main subgroup in the periodic table (example Li to Cs ...

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  20. Identify the correct statement

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