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The electronic configuration of three el...

The electronic configuration of three elements `X, Y` and `Z` are :
`X:2`
`Y:2,8,7`
`Z:2,8,2`
Which of the following is correct regarding these elements ?

A

`X` is a metal

B

`Y` is a metal

C

`Z` is a non-metal

D

`Y` is a non-metal and `Z` is a metal

Text Solution

Verified by Experts

The correct Answer is:
D
d
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LAKHMIR SINGH & MANJIT KAUR-METALS AND NON-METALS-Exercise
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  2. The solution of one of the following compounds will not conduct electr...

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  3. The electronic configuration of three elements X, Y and Z are : X:2 ...

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  4. Which one of the following properties is not generally exhibited by io...

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  5. The electrons present in the valence shell of a noble gas atom can be...

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  6. The atomic number of an element X is 16. The symbol of ion formed by a...

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  7. The number of protons in the nucleus of one atom of an element Y is 5....

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  8. Out of KCl,HCl,C Cl(4) and NaCl, the compounds which are not ionic are...

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  9. Element X reacts with element Y to form a compound Z, during the forma...

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  10. One of the following compounds is not ionic in nature. This compound i...

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  11. The rechargeable battery used in a mobile phone hand set is usually :

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  12. The number of protons in one atom of an element X is 8. What will be t...

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  13. If the number of protons in one atom of an element Y is 20, then the n...

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  14. The noble gas having only two electrons in its valence shell is:

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  15. A covalent molecule having a double bond between its atoms is:

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  16. The molecules having triple bond in them are:

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  17. One of the following contains a double bond as well as single bonds. T...

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  18. Which of the following has a triple bond as well as single bonds?

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  19. Two non-metals combine with each other by the sharing of electrons to ...

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  20. A metal combines with a non-metal by the transfer of electrons to form...

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