Why are lanthanides and actinides p...

Why are lanthanides and actinides placed separately at the bottom of the periodic table ?

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Why are lanthanides and Actinides are placed sepatately at the bottom of the peridic table ?

What are lanthanides and actinides? Where are they located in the long from of the periodic table?

What is the position of carbon in periodic table ?

IF lanthanides and actinides are inserted within the table . Imagine how the table would be ?

What is a period in modern periodic table ?

The number of periods present in the long form of the periodic table

Comment on the position of hydrogen in periodic table .

Lanthanides are separated best by

Which element is placed in two different groups of the long form of the periodic table?

VGS PUBLICATION-BRILLIANT-CLASSIFICATION OF ELEMENTS-THE PERIODIC TABLES-EXERCISE

What is a triad?
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Chlorine bromine , iodine are Dobereiner's triads .How do you ju...
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Why are lanthanides and actinides placed separately at the bot...
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Second ionization energy of an element is higher than its firs...
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Hydrogen can be placed in group 1 and group 17 in the periodic table. ...
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Why do inert gases have zero valency value ?
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Z' element belongs to (second ) 2^(nd) group in the periodical ...
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DO the atom of an element and its ion have same size ?
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Which one between Na and Na^(+) would have more size ?
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What are representative elements? Give their valence shell configurati...
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Formation of cation is endothermic where formation of anion is ex...
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Different elements exist in different physical states. However only ga...
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Explain the limiation of Mendeeff's periodic table .
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How are the elements divided into s, p, d and f – blocks in the Modern...
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Do you think Newland's law of octaves is correct ? Justify .
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Why did Mendeleeff had to leave certain blank spaces in his per...
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The second period element 'F' has electrons gain enthaly than...
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An element has atomic number 19. where would you expect thi...
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Give reason for the need of classification of element .
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x,y and z are the elements of a Dobereiner 's tried .If the atom...
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