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How do alkaline earth metals occur in na...

How do alkaline earth metals occur in nature ?

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ICSE-THE PERIODIC TABLE -EXERCISE 5(C)
  1. Name the first three alkaline earth metals.

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  2. (a)Name the first three alkaline earth metals. (b) Write their react...

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  3. How do alkaline earth metals occur in nature ?

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

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  5. Give reasons. Alkali metals are kept in inert solvent.

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  6. Give reasons. Alkali metals and halogens do not occur free in nature...

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  7. Give reasons. Alkali and alkaline earth metal compounds usually form...

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  8. Give reasons. Inert gases do not form compounds

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  9. Arrange the following: Elements of group 1, in increasing order of r...

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  10. Arrange the following: Elements of group 17, in decreasing order of ...

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  11. Arrange the following: He, Na, Mg (increasing order of melting point...

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  12. Arrange the following: Chlorine, sodium, magnesium (increasing reduc...

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  13. State the nature of compounds formed when group 17 elements combine wi...

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  14. Why group 17 elements are highly reactive ?

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

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

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  17. Name the gas used in : filling balloons

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  18. Name the gas used in : light bulbs

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  19. Name the gas used in : bright coloured advertising light works

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  20. Why group 17 elements are called halogens?

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