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Write two reasons behind the anomalous b...

Write two reasons behind the anomalous behaviour of first element of each group.

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To answer the question about the anomalous behavior of the first element of each group in the periodic table, we can outline the following reasons: ### Step-by-Step Solution: 1. **Identify the First Elements of Each Group**: - Group 1: Lithium (Li) - Group 2: Beryllium (Be) - Group 13: Boron (B) ...
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AAKASH INSTITUTE ENGLISH-THE S-BLOCK ELEMENTS-Try Yourself
  1. The elements of group 2 are called alkaline earth metals. Give reason.

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  2. Which alkali metal is radioactive in nature?

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

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

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

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

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

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

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

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

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

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  12. Which alkali metal do not show photoelectric effect?

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

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

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  15. K, Rb and Cs form mainly superoxides.

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

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  17. What is electrode potential?

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

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

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  20. Mention the important properties of saline hydrides

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