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Periodicity in properties is observed in elements after definite intervals due to similar_____[electronic configuration, number of valence electrons, atomic numbers] of elements

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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.)

Fill in the blanks with the appropriate word/s Elements of group 1 ...
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Fill in the blanks with the appropriate word/s The element in group...
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Fill in the blanks with the appropriate word/s Periodicity in prope...
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Fill in the blanks with the appropriate word/s Across a period the ...
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Fill in the blanks with the appropriate word/s Nuclear charge of an...
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Fill in the blanks with the appropriate word/s Atomic size of neon ...
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Fill in the blanks with the appropriate word/s Atomic size across a...
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Fill in the blanks with the appropriate word/s With increase in nuc...
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Fill in the blanks with the appropriate word/s Increase in nuclear...
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Fill in the blanks with the appropriate word/s Elements with stabl...
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Fill in the blanks with the appropriate word/s An atom with a small...
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Fill in the blanks with the appropriate word/s If combining atoms o...
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Fill in the blanks with the appropriate word/s Elements with low el...
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Fill in the blanks with the appropriate word/s An atom is said to b...
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Fill in the blanks with the appropriate word/s Atoms with [small/l...
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Fill in the blanks with the appropriate word/s Element 'X in period...
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Fill in the blanks with the appropriate word/s Element 'B' in perio...
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Fill in the blanks with the appropriate word/s Element 'Z' in sub-g...
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Fill in the blanks with the appropriate word/s Argon in period 3 i...
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Fill in the blanks with the appropriate word/s Across a period - At...
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