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NARAYNA-PERIODIC TABLE -All Questions
- The electronegativity of K=0.8 and Cl=3.0. The type of bond formed bet...
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- An element "X" has IP=1681 kJ/mole and EA=-333 kJ/mole then its electr...
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- Which of the following has zero electronegativity
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- Which of the following elements posses zero electron affinity (theriot...
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- The electronegativities of two elements A and B are 2.1 and 1.8. Then ...
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- In a compound XY, the electronegativity difference between X and Y is ...
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- The stable oxide state of Thallium, a III A group element is
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- The stable oxidation sate (+8) is exhibited by
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- The formula of the compound formed by the pair of elements Al & S is:
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- The oxidation state and valency of Al in [AlCl (H(2)O)(5)]^(2+)
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- An element has nine positive charges in its nucleus its common oxidati...
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- The outermost electronic configuration of most electropositive element...
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- The tendency if an element to lose an electron is called
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- Oxide that is most acidic
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- Three elements, X, Y and Z belong to the same period. Their oxides are...
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- The elements 'X', 'Y' and 'Z' form oxides which are acidic, basic and ...
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- Chemical similarity between Be and Al is due to
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- Pair of ions with polarising power
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- Four elements P,Q,R & S have ground state electronic configuration as:...
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- The strength of an oxyacid E(OH)(n) , where E is the central atom , de...
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