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FULL MARKS-PERIODIC CLASSIFICATION OF ELEMENTS -Additional Questions(2 MARK QUESTIONS)
- Anionic radius is higher than the corresponding neutral atom. Give rea...
04:25
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- What are isoelectronic ions ? Give examples.
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- Define lonization energy. Give its unit.
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- Ionization energy of beryllium is greater than the ionization energy o...
03:46
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- Ionization energy of nitrogen is greater than the ionization energy of...
03:39
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- Define electron gain enthalpy or electron affinity. Give its unit.
03:09
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- Electron gain enthalpy is F is less negative than Cl Why ?
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- Electron affinity of oxygen is less negative than sulphur. Justify thi...
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- Explain about the factors that affect electronegativity.
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- Explain about periodic variation of electronegativity across a period.
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- Explain about the period variation of electronegativity along a group.
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- Define valency . How is it determined ?
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- What is the basic difference in approach between Mendeleev's periodic ...
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- On the basis of quantum numbers, justify that the sixth period of the ...
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- Why do elements in the same group have similar physical and chemical p...
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- How do atomic radius vary in a period and in a group? How do you expla...
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- Explain why cation are smaller and anions are larger in radii than the...
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- What is basic difference between the terms electron gain enthalpy and ...
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- Would you expect the first lonization enthalpies of two isotopes of th...
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- Write the general electronic configuration of sp-d-, and f-block eleme...
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