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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

Metalloid

C

Inert gas

D

Non-metal

Text Solution

Verified by Experts

The correct Answer is:
A
Metals (groups `1` and `2`) have `ns^(2)` configuration.
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CENGAGE CHEMISTRY-PERIODIC CLASSIFICATION OF ELEMENTS AND GENERAL INORGANIC CHEMISTRY-Exercises (Singlecorrect) General Electronic Configuration And Periodicity
  1. According to periodic law of elements, the variation in properties of ...

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  2. Newland's law of octave applies to which of the following set elements...

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

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  4. The member of periods and group in the long form of periodic table ar...

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  5. The elements of group 1,2,13,14,15,16,17,18 are collectively called

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  6. The statement that is false regarding the long form the periodic tabl...

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  7. In the periodic table, going down in fluorine group

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  8. In the long form of periodic table all the non-metals are placed under

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  9. Alkali metals in each period have

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  10. Which one pair of atoms or ions will have same configuration ?

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  11. In the modern periodic table, the period indicates the value of

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  12. Which of the following does not reflect periodicity of elements ?

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  13. The 3rd period of the periodic table contains

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  14. Which of the following set

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  15. Which of the following belongs to the category of transition metal?

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  16. Without looking at the periodic table, select the elements belonging t...

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  17. The elements of same group of the periodic table have

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  18. The elements which are characterised by the outer shell configuration ...

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  19. The outer most electronic configuration of transition elements is

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  20. An element with atomic number 20 will be placed in which period of the...

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