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An element X from group 2 of the period...

An element `X` from group 2 of the periodic table reacts with an element `Y` from group 17 to form a compound.
(a) What is the nature of the compound formed?
(b) Sate whether the compound formed will conduct electricity or not.
(c) Give the formula of the compoumd formed.
(d) What is the valency of element `X`?
(e) How many electrons are there in the outer most shell of an atom of element `Y`?

Text Solution

Verified by Experts

The correct Answer is:
(a) Ionic Compound (b) Yes (c) `XY_(2) (d) 2 (e) 7
NA
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LAKHMIR SINGH & MANJIT KAUR-PERIODIC CLASSIFICATION OF ELEMENTS-Exercise
  1. A metal X is in the first group of the periodic table. What will be th...

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  2. An element A from group 14 of the periodic table combines with an elem...

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  3. An element X from group 2 of the periodic table reacts with an elemen...

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  4. The following diagram shows a part of the periodic table containing f...

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  5. The elements A,B and C belong to groups 1,14 to 17 respectively of the...

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  6. Find the neutral atom in the periodic table which has the same number ...

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  7. Write the names and symbols of two very reactive metals belonging to g...

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  8. The non-metal A is an important constituent of our food and most of th...

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  9. A non metal X which is the largest constituent of air combines with hy...

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  10. Solid sodium bicarbonate was placed on a strip of pH paper. The colour...

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  11. When dilute hydrochloric acid is added to granulated zinc placed in a ...

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  12. When an aluminium strip is kept immersed in freshly prepared ferrous s...

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  13. The description which most approximately suits sulphur dioxide gas is ...

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  14. Ethanoic acid was added in drops to water and it was noticed that :

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  15. A colourless liquid sample was tested with pH paper strip. The colour ...

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  16. Ehanoic acid was added to sodium hydrogencarbonate solution and the ga...

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  17. Which one of the following set ups is the most apropriate for the evol...

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  18. Four students A,B,C and D noted the initial colour of the solutions in...

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  19. Four gas jars filled with sulphur dioxide gas wer inverted into trough...

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  20. The colour of the pH strip turned red when it was dipped into a sample...

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