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Explain the term with example : Covalent...

Explain the term with example : Covalent bond

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The chemical bond which is formed by sharing of two valence electrons between two atoms is called covalent bond.
E.g. Formation of `H_(2)` molecule :
The atomic number of hydrogen is 1. It has 1 electron in its valence shell. It requires one more electron to complete its duplet and attain the stable electronic configuration of helium. Therefore, two hydrogen atoms share their electrons with each other to form `H_(2)` molecule. A single covalent bond is formed between two hydrogen atoms by sharing of two electrons (one pair of shared electrons).
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TARGET PUBLICATION-CARBON COMPOUNDS-Answer the following(Intext Question)
  1. Explain two unique properties of carbon : ii. Tetravalency :

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  2. Write name and molecular formula of the smallest carbon compounds.

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  3. Write a short note on hydrocarbons.

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  4. Give any four examples of saturated hydrocarbons.

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  5. Explain the stpes to draw structural formula of ethane.

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  6. Are the melting and boiling point of carbon compounds (covalent compou...

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  7. Why does carbon neither form C^(4+) cation nor C^(4-) anion, but forms...

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  8. Explain the term with example : Covalent bond

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  9. How is electron-dot structure of a molecule drawn ? Explain giving exa...

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  10. Draw electron-dot structures with circles and line structures of the f...

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  11. Draw electron-dot structures with circles and line structures of the f...

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  12. Draw electron-dot structures with circles and line structures of the f...

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  13. Carbon atoms come together in a large number to form extremely big mol...

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  14. What causes the existence of very large number of carbon compunds?

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  15. Explain two unique properties of carbon : i. Catenation

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  16. Explain two unique properties of carbon : ii. Tetravalency :

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  17. Write name and molecular formula of the smallest carbon compounds.

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  18. Write a short note on hydrocarbons.

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  19. Give any four examples of saturated hydrocarbons.

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  20. Explain the stpes to draw structural formula of ethane.

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