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The following are some statements about ...

The following are some statements about the characteristics of covalent compounds i) The combination of a metal and non-metal must give a covalent compound. ii) All covalent substances are bad conductors of electricity. iii) All covalent substances are gases at room temperature. The correct combination is

A

a,b,c

B

b,c,d

C

a,b,d

D

a,b,c,d

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BEYOND PUBLICATION-CHEMICAL BONDING-EXERCISE
  1. Factors effecting the formation of the ionic bond

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  2. Which of the following elements ar electropositive ?a) Sodium b) Potas...

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  3. The following are some statements about the characteristics of covalen...

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  4. What are true about Lewis dot structures of molecules ? Each bond is...

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  5. Sodium atoms and sodium ions

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  6. When sodium reacts with chlorine.

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  7. Metal atoms tend to form

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  8. If the element can lose an electron readily, they are said to be

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  9. Which of the following is the most reactive ?

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  10. An element reacts with oxygen to give a compound with a high melting p...

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  11. How do valence electrons are showed in the lewis structure ?

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  12. The elements with three or less than three electrons in the outer shel...

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  13. How do you write the lewis dot structure for an inert gas ?

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  14. Between which type of atoms ionic bond will form ?

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  15. Why do we consider KCl as an ionic solid ?

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  16. Which type of forces keeps the cations and anions together ?

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  17. Whether compound formed due to ionic bond is negative or positive ?

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  18. Write the names of any two compounds which have ionic bond.

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  19. As Boran has one unpaired electron, what is the result of it ?

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  20. What is the hybridisation of B and N in borazole?

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