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The element whose electronic configurati...

The element whose electronic configuration is `1s^(2), 2s^(2)2p^(6), 3s^(2)` is a`//`an

A

metal

B

non-metal

C

metalloid

D

noble gas

Text Solution

Verified by Experts

The correct Answer is:
A
it is magnesium, group 2 element i.e., alkaline earth metal.
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DINESH PUBLICATION-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-All Questions
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  2. Which one of the following represents the electronic configuration of ...

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  3. The element whose electronic configuration is 1s^(2), 2s^(2)2p^(6), 3s...

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  4. The element of 4th period of the periodic table having maximum number ...

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  5. Which of the following ions does not have the configuration of argon ?

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  6. Iso-electronic ions are those which have

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  7. The electronic configuration of the fourth transition element is

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  8. which among the following species has the same number o f electrons in...

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  9. The general valence shell electronic configuration of transition eleme...

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  10. The anion O^(2-) is iso-electronic with

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  11. In the iso-electronic series : K^(+),Cl^(-),S^(2-),Ca^(2+), the lar...

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  12. Which among the following is not iso-electronic ?

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  14. In which of the following compound size of cation to anion ratio is mi...

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  15. Which of the following ios not different for an atoms and its correspo...

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  16. Which of the following elements represents highly electropositive as w...

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  17. In going from fluorine to iodine

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  18. The trend common to both the group 2 and 16 elements in the periodic t...

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  19. The element of second period which forms most acidic oxide is

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  20. For an element with configuration 5s^(2)4d^(10)5p^(3) the chemistry is...

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