What are the essential features of the p...

What are the essential features of the periodic table of Mendeleev? Discuss how his table has been modified subsequently.

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NCERT TELUGU-PERIODIC CLASSIFICATION-I-Questions (Explain briefly the following)

Why does the first ionization enthalpy would have higher electron gain...
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Which of the following pairs of elements would have higher electron ga...
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Why are lanthanides and actinides placed separately at the bot...
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What do you mean by representative elements? Name the groups of the pe...
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Define transition elements. Name the different transition series.
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Which element of the following pairs have smaller ionization enthalpy?...
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Why is Na atom bigger than the atoms of both lithium and magnesium ?
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What do you mean by the term electron gain enthalpy? How does electron...
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Explain how the elements are arranged in the form of the periodic tabl...
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What are normal, transition and inner- transition elements?
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What are the differences between normal and transition elements?
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Explain why cation is smaller and anion is larger in radii than their ...
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Explain the size of ion Cl^(-1) gt Na^(+) .
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What is electron gain enthalpy? On what factors does it depend?
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Give the general variation of electron gain enthalpies in the periodic...
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Define the term solution.
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What do you mean by ionization enthalpy? How does it vary across a per...
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What is meant by electronegativity? On what factors does it depend?
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What are the essential features of the periodic table of Mendeleev? Di...
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