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Write name of element with the following...

Write name of element with the following electronic configuration : 1s2 2s2 2p5

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B
Potassium acts as a nutrient for plants.
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Write the name & symbol of the element with electronic configuration 1s2 2s2 2p1

Write the name & symbol of the element with electronic configuration 1s2 2s2 2p6 3s2 3p6 4s2 3d5

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Write the name & symbol of the element with electronic configuration 1s2 2s2 2p6 3s2 3p6 4s2 3d3

OMEGA PUBLICATION-THE S-BLOCK ELEMENTS-MULTIPLE CHOICE QUESTIONS MCQ.s
  1. In the reaction M+O(2) to MO(2) (superoxide), the metal M is

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  2. A solution of sodium metal in liquid ammonia acts as a strong reducing...

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  3. The strongest reducing agent among all the halide ions is ...............

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  4. Do you find that all living beings need the same kind of food?

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  5. What is the sum of (n + l) value of 4d.

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  6. What is the electronic configuration of argon.

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  7. What is the electronic configuration of chlorine atom.

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  8. Alkali metals give colour to Bunsen flame due to

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  9. Lithium shows diagonal relationship with

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  10. IUPAC name of element having atomic number 108 is .......................

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  11. Castner-Kellner cell is used for the manufacture of

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  12. Alkali metals are good reducing agents because they easily

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  13. Which one of the following alkali metals is used in photoelectric cell...

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  14. Write name of element with the following electronic configuration : 1...

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  15. Which of the following has largest concentration in acid rain?

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  16. Write name of element with the following electronic configuration : 1s...

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  17. LiOH is

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  18. The number of unpaired electrons in magnesium is ........................

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  19. Write name of element with the following electronic configuration : 1s...

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  20. The maximum number of electrons in M shell of silicon is ................

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