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Elements at the extreme left of modern periodic table are _______ reactive while elements on the extreme right [group 18(0)] are ________ reactive [least/un/most]

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Elements at the extreme left of the modern periodic table are ............ reactive, while elements on the extreme right (group 18) ……………..reactive (most/ un).

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What is the total number of elements in the I group of the modern periodic table

What is the total number of elements in the II group of the modern periodic table

Fill in the blanks with the appropriate word/s Atomic size across a period ______ [increases/decreases] with increase in nuclear charge of the element.

Name or state with reference to the elements of the modern periodic table. The group whose elements have zero valency.

What is the total number of elements in the III group of the modern periodic table

Fill in the blanks with the appropriate word/s Elements with stable electronic configuration e.g. neon have an electron affinity value of ______ [1, 0,-1]

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ICSE-PERIODIC TABLE (PERIODIC PROPERTIES AND VARIATION OF PROPERTIES)-ADDITIONAL QUESTIONS (Fill in the blanks with the appropriate word/s in each case.)
  1. Fill in the blanks with the appropriate word/s Across a period the ...

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  2. Fill in the blanks with the appropriate word/s Across a period, the...

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  3. Fill in the blanks with the appropriate word/s Elements at the extr...

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  4. Fill in the blanks with the appropriate word/s Elements of group 1 ...

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  5. Fill in the blanks with the appropriate word/s The element in group...

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  6. Fill in the blanks with the appropriate word/s Periodicity in prope...

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  7. Fill in the blanks with the appropriate word/s Across a period the ...

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  8. Fill in the blanks with the appropriate word/s Nuclear charge of an...

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  9. Fill in the blanks with the appropriate word/s Atomic size of neon ...

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  10. Fill in the blanks with the appropriate word/s Atomic size across a...

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  11. Fill in the blanks with the appropriate word/s With increase in nuc...

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  12. Fill in the blanks with the appropriate word/s Increase in nuclear...

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  13. Fill in the blanks with the appropriate word/s Elements with stabl...

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  14. Fill in the blanks with the appropriate word/s An atom with a small...

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  15. Fill in the blanks with the appropriate word/s If combining atoms o...

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  16. Fill in the blanks with the appropriate word/s Elements with low el...

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  17. Fill in the blanks with the appropriate word/s An atom is said to b...

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  18. Fill in the blanks with the appropriate word/s Atoms with [small/l...

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  19. Fill in the blanks with the appropriate word/s Element 'X in period...

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  20. Fill in the blanks with the appropriate word/s Element 'B' in perio...

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