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(a). What are noble gases ? What is the ...

(a). What are noble gases ? What is the characteristic of the electronic configuration of noble gases ?
(b). What is the cause of chemical bonding (or chemical combination) of atoms of elements ?

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LAKHMIR SINGH & MANJIT KAUR-METALS AND NON-METALS-Exercise
  1. Explain why, a solution of cane sugar does not conduct electricity but...

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  2. Give the formulae of the stable binary compounds that would be formed ...

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  3. (a). What are noble gases ? What is the characteristic of the electron...

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  4. (i) Write electrondot structures for magnesium and oxygen. ltBrgt (ii)...

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  5. Draw the electron-dot structure of a hydrogen chloride molecule: (i)...

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  6. What type of bonding would you expect between the following pairs of e...

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  7. Describe how sodium and chlorine atoms are chagned into ions when they...

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  8. What is the difference between a cation and an anion? How are they for...

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  9. Using electron-dot diagrams which show only the outermost shwll electr...

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  10. Draw the electron-dot structures of the following compounds and state ...

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  11. Using electron-dot diagrams which show only the outermost shell electr...

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  12. Draw the electron-dot structures of the following compounds and state ...

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  13. Explain why, a salt which does not conduct electricity in the solid st...

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  14. (a). Write down the electronic configuration of (i) Sodium atom, and (...

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  15. (a). Write the electron arrangement in (i) a magnesium atom, and (ii) ...

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  16. (a) What is the electronic configuration of (i) a sodium atom, and (ii...

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  17. (a). Write down the electron arrangement in (i) a magnesium atom, and ...

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  18. The atomic number of an element X is 19. The number of electrons in it...

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  19. The atomic number of an element Y is 17. The number of electrons in it...

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  20. The atomic numbers of four elements, A, B, C and D are 6, 8, 10 and 12...

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