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How do alkaline earth metals occur in na...

How do alkaline earth metals occur in nature ?

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Alkaline earth metals occur in nature in combined state (as oxides in earth crust) as they are reactive metals.
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ICSE-THE PERIODIC TABLE -TOPIC 2 Studying Individual Groups (2 Marks Questions)
  1. How do alkaline earth metals occur in nature ?

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  2. Write the electronic configuration of the first two alkaline earth met...

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  3. Name or state the following with reference to the element of the first...

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  4. Name or state the following with reference to the element of the first...

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  5. Complete the table :

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  6. Complete the table :

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  7. Name the method by which alkali metals can be extracted.

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  8. What is the colour of the flame of sodium and potassium ?

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  9. How many electrons do inert gases have in their valence shells ?

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  10. Name an element of group 18 which can form compounds.

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  11. Why group 17 elements are called halogens?

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  12. Give use of Helium gas

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  13. Give use of neon gas

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  14. The table given below shows the position of element U, V, X, Y and Z....

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  15. The table given below shows the position of element U, V, X, Y and Z....

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  16. What is the action of air on (i)Alkali metals (ii) Provide chemical ...

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  17. Below are some elements of modern periodic table ""4Be , ""9F, ""14S...

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  18. Below are some elements of modern periodic table ""4Be , ""9F, ""14S...

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  19. Below are some elements of modern periodic table ""4Be , ""9F, ""14S...

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  20. Below are some elements of modern periodic table ""4Be , ""9F, ""14S...

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