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Write the electronic configuration of po...

Write the electronic configuration of potassium

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`1s^(2)2s^(2)2p^(6)3s^(2)3p^(6)4s^(1)`
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AAKASH INSTITUTE-THE S-BLOCK ELEMENTS-Try Yourself
  1. Beryllium shows a diagonal relationship with

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  2. Write the reason behind the digonal relationship among element.

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  3. Write the electronic configuration of potassium

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  4. Write the trend the trend of variation in atomic and ionic radii among...

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  5. Which one of the following alkali metals gives hydrated salts?

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  6. Why does ionization energy decreases down the group?

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  7. Among potassium and sodium which one is lighter metal?

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  8. What colour is imparted by Rubidium in flame test?

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  9. Which alkali mettal do not show photoelectric effect?

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  10. Why are potassium and caesium, rather lithium used in photoelectric ce...

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  11. What kind of chemical compounds are formed when alkali metal oxides re...

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  12. K, Rb and Cs form which type of compounds with oxygen?

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  13. Which compound is formed when lithium reacts directly with nitrogen in...

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  14. What is electrode potential?

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  15. If an element has more negative value of electrode potential, then wha...

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  16. Apart from water, alkali metals react with which kind of compounds?

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  17. Write two properties of the alkali metal hydrides.

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  18. Except for lithium, alkali metals form their hydrides at what temperat...

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  19. Why lithium halides show covalent nature.

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  20. Among alkali metals. Which one is the strongest reducing agent?

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