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An atom X has 2,8,7 electrons in its she...

An atom X has 2,8,7 electrons in its shells. It combines with Y having 1 electron in its outermost shell.
Write the formula of the compound formed.

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ICSE-CHEMICAL BONDING -Additional Questions for Practice
  1. An atom X has 2, 8,7 electrons in its shells. It combines with Y havi...

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  2. An atom X has 2,8,7 electrons in its shells. It combines with Y havin...

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  3. An atom X has 2, 8,7 electrons in its shells. It combines with Y havi...

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  4. The electronic configuration of chloride ion is the same as that of a...

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  5. In the formation of the compound XY(2), an atom X gives one electron ...

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  6. An atom has two electrons more than the noble gas configuration. What...

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  7. What are the conditions necessary for the formation of covalent molec...

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  8. Elements A, B and C have atomic numbers 9, 20 and 10 respectively. ...

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  9. Elements A, B and C have atomic numbers 9, 20 and 10 respectively. ...

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  10. State three differences between 'X' and 'X^(+)' i.e., an atom and an ...

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  11. Differentiate between polar and non-polar covalent molecules.

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  12. Explain with the help of (i) an ionic equation (ii) electron dot stru...

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  13. Draw the structure of ammonia molecule.

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  14. Explain the following: Ionic compounds conduct electricity.

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  15. Explain the following: lonic compounds have high melting point and ...

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  16. Explain the following: Ionic compounds dissolve in water whereas c...

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  17. Explain the following: lonic compounds are usually hard crystals.

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  18. Predict the type of bonding in the following molecules: Oxygen

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  19. Predict the type of bonding in the following molecules: calcium ox...

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  20. Predict the type of bonding in the following molecules: water

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