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The electronic configuration of three el...

The electronic configuration of three elements `X,Y` and `Z` are as follows
`X-2,4`
`Y- 2,7`
`Z-2,1`
(a) Which two elements will combine to form an ionic compound?
(b). Which two elements will react to form a covalent compound ?
Give reason for your choice.

Text Solution

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(a) Y and Z
(b) X and Y
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LAKHMIR SINGH & MANJIT KAUR-METALS AND NON-METALS-Exercise
  1. Two non-metals combine with each other by the sharing of electrons to ...

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  2. A metal combines with a non-metal by the transfer of electrons to form...

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  3. The electronic configuration of three elements X,Y and Z are as follow...

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  4. An element A has 4 valence electrons in its atom whereas element B has...

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  5. In the formation of a compound XY(2) atom X gives one electron to each...

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  6. An element 'A' has two electrons in the outermost shell of its atom an...

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  7. The electronic configurations of two elements A and B are given below:...

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  8. Four elements A, B, C and D have the following electron arrangement in...

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  9. An element X oif atomic number 12 combines with an element Y of atomic...

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  10. The electronic configurations of three elements A, B, and C are as fol...

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  11. the electronic configurations of four particles A,B,C and D are given ...

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  12. The atomic number of an element X is 12. (a). What must an atom of X...

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  13. The atomic number of an element Y is 16. (a). What must an atom of Y...

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  14. You can buy solid air-freshnersin shops. Do you think these substanecs...

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  15. Give the formulae of the chlorides of the elements X and Y having atom...

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  16. A zinc ore gave CO(2) on treatment with a dilute acid. Identify the or...

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  17. What chemical process is used for obtaining a metal from its oxide?

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  18. State two ways to prevent the rusting of iron.

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  19. What is meant by galvanisation? Why is it done?

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  20. Name the metal which is used for galvanising iron.

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