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NARAYNA-PERIODIC TABLE -All Questions
- Let electronegativity, ionisation energy and electron affinity by repr...
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- In which group all the elements do not have same number of valence ele...
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- Metal exhibiting higher oxidation state is in which block ?
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- Among the following outermost configurations of transitionn metals, wh...
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- The less electropositive element is
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- Electropositivity is very high for
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- The most electropositive element is
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- Which one of the following represents the electronic configuration of ...
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- Most metallic element has the following electron arrangement in its at...
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- Among (a) Na(2)O (b) MgO, (c) Al(2)O(3), (d) P(2)O(5) (e) Cl(2)O(7) th...
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- Which of the following cannot form an amphoteric oxide ?
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- The elements x,y and z are present in one period of the periodic table...
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- Boron and Silicon resemble chemically. This is due to the equal value ...
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- The electronegativity of Be is same as that of
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- Beryllium shows diagonal relationship with aluminum . Which of the fol...
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- Diagonal relationsgip is quite pronounced in the elements of
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- Diagonal relationship is shown by
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- The pair of elements that have similar chemical properties are
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- The following are some statements about Mendeleeff's periodic table ...
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- Which of the following pairs of atoms have same number of electrons in...
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