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The elements of group 1 are called alkal...

The elements of group 1 are called alkali metals. Give reason.

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Hydroxide formed by these metals on reaction with water are strongly alkaline in nature.
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AAKASH INSTITUTE ENGLISH-THE S-BLOCK ELEMENTS-Try Yourself
  1. How many electrons can be accommodated in the s-orbital?

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  2. How many groups belong to the s-block of the periodic table ?

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  3. The elements of group 1 are called alkali metals. Give reason.

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  4. Write the names of alkaline earth metals in increasing order of atomic...

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  5. The elements of group 2 are called alkaline earth metals. Give reason.

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  6. Which alkali metal is radioactive in nature?

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  7. Write two reasons behind the anomalous behaviour of first element of e...

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  8. Beryllium shows diagonal relationship with aluminium. Which of the fol...

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

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  10. Which of the following is the correct electronic configuration of pota...

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  11. Explain the trend in atomic radii on moving down a group, with referen...

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

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  13. Why does the ionisation energy decrease on going down a group?

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

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

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  16. Which alkali metal do not show photoelectric effect?

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  17. Why are potassium and caesium rather than lithium used in photoelectri...

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  18. What do metal oxides form when they react with water?

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  19. K, Rb and Cs form mainly superoxides.

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

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