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Give one word or a phrase for the follow...

Give one word or a phrase for the following statement:
The energy released when an electron is added to a neutral gaseous isolated atom to form a negatively charged ion.

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electron affinity
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ICSE-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-FILL IN THE BLANKS. TYPE QUESTIONS
  1. The element ekasilicon predicted by ...... was discovered by .. .. .. ...

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  2. .. .......... and not the ......... is the most fundamental property o...

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  3. Hydrogen may be placed at the top in group ......... as well as in gro...

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  4. Vertical columns of periodic table are known as

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  5. The sixth period contains-in all ............ elements among which .. ...

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  6. The elements of p-block possess electronic configuration of the type ....

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  7. What is the basis of the long form of the periodic table?

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  8. Most of the transition metal ions are ............... and........ in n...

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  9. Covalent radius is defined as .. ....... of the distance between the ...

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  10. Ca^(2+) has a smaller ionic radius than K^(+) because it has ............

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  11. The atomic radii ............ on moving down a group.

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  12. Anion is ..................... (larger / smaller) than the parent atom...

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  13. The screening effect of inner electrons on the nucleus causes

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  14. Noble gases possess .... .. ...... values of ionisation energies due t...

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  15. Give one word or a phrase for the following statement: The energy ...

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  16. Comment on the electron affinities of noble gases.

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  17. Second electron affinity of oxygen is ............ .

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  18. Why the melting and boiling points of halogens increase in going from ...

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