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MODERN PUBLICATION-PERIODIC CLASSIFICATION OF ELEMENTS-EXAMPLE
- How were the positions of isotopes of varoius elements decided in the ...
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- Is it possible to have an element with atomic number 1.5 placed betwee...
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- Where do you think should hydrogen be placed in the Modern Peridic tab...
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- How do you calculate the valency of an element from its electronic con...
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- What is the valency of magnesium with atomic number 12 and sulphur wit...
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- Find out the valencies of the first two elements.
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- How does the valency vary in the period on going from left to right?
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- How does the valency vary on going down a group?
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- In a periodic table How do you think the tendency to lose electrons wi...
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- In a periodic table How would the tendency to gain electrons change as...
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- In a periodic table How would the tendency to gain electrons change as...
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- An atom of an element has electronic configuraiton 2,8,7. To which gro...
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- Which of the following belongs to same period same group?
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- The third period of the long form of periodic table contains the follo...
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- The third period of the long form of periodic table contains the follo...
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- Three elements X,Y and Z belong to groups 2,15 and 17 respectivley. Pr...
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- Three elements X,Y and Z belong to groups 2,15 and 17 respectivley. Pr...
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- A part of the periodic table is given below. The elements sodium, carb...
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- A part of the periodic table is given below. The elements sodium, carb...
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- Did doberiner's triads also exist in the columns of newlands's octaves...
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