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Which of the following elements have bee...

Which of the following elements have been duly synthesized and officially recongnized by the `IUPAC`?
(i) 112` (ii) `113`
(iii) `114` (iv) 115`

A

`(i),(iii)`

B

`(ii),(iii)`

C

`(iii),(iv)`

D

`(i),(ii),(iii),(iv)`

Text Solution

Verified by Experts

The correct Answer is:
A
As of now, elements with atomic numbers up to `112` and `114, 116` have been officially recognized. Elements with `Z = 113, 115` and beyond have not yet been confirmed.
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R SHARMA-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN ELEMENTS-Follow-up Test
  1. The naming of the new elements had been traditionally the privilege of...

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  2. Unnilennium is the systematic name for element having atomic number

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  3. Which of the following elements have been duly synthesized and officia...

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  4. What would be the IUPAC name and symbol for the element with atomic nu...

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  5. Total number of element in each period is twice the number ofbeing fil...

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  6. The first period (n = 1) starts with the filling ofsubshell.

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  7. The second period (n = 2) involves the filling up to electron inatomic...

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  8. The third period (n = 3) involves the filling up to electrons inelemen...

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  9. The fourth period (n = 4) does not involve the filling up of electrons...

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  10. The fifth period (n = 5) beginning with rubidium is similar to the fou...

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  11. The sixth period (n = 6) of the periodic table contains 32 elements an...

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  12. Which of the following lanthanoids does not contain 5d electron in its...

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  13. Which of the following actinoids contains 6d^(2) electrons its valence...

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  14. Which of the following groups of periodic table contains maximum numbe...

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  15. In s-block elements, the differentiating electron enters the orbital.

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  16. On the basis of chemical behavior, how many element belong to the s-bl...

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  17. A1though the elements in the periodic table are arranged according to ...

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  18. Which of the following elements is placed on its own in the table to i...

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  19. In p-block elements, theorbitals are successively filled.

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  20. The general valence shell electronic configuration of p-block elements...

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