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The electronic configuration of a metal ...

The electronic configuration of a metal M is `1s^2 2s^2 2p^6 3s^1`. The formula of its oxide would be:

A

MO

B

`M_2O`

C

`M_2O_3`

D

`MO_2`

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The correct Answer is:
B
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MBD PUBLICATION-S- BLOCK ELEMENTS [ALKALI AND ALKALINE EARTH METALS]-QUESTION TYPE
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  8. Which is formed with lithium is heated in air?

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  9. Which of the following electronic comfigurations has the lowest ionosa...

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  12. In NaCl, the Cl^- ions occupy the place in a fashion of:

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  13. When sodium metal heated in dry ammonia, the compound formed is:

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  14. What types of ions are present in anhydrous mixture of KF and Hf ?

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  16. The hydroxide with least ksp value at room temperature is:

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