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NARAYNA-PERIODIC TABLE -All Questions
- Match the following columns
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- Match the following columns
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- Match the following columns
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- The atomic radii of transition elements from Cr to Cu are almost equal...
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- Fluorine does not form oxyacids unlike other halogens because
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- The screening effect of d-electrons is
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- Which of the following is the correct order of increasing radius of sp...
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- Two elements A and B belonging to same group have electrones affinity ...
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- Calculate the effective nuclear charge at the periphery of nitrogen at...
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- Astatine is a radioactive halogen. It is a solid at room temperature b...
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- In which of the following arrangements, the order is correct according...
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- In the periodic table, the relation between Li-Mg, Be-Al, B-Si is call...
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- Which of the following is not correct order regarding the property ind...
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- The correct values of ionization enthalpies(in KJ "mol"^(-1)) of Si, P...
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- The first, second and third ionisation potentials (E1, E2, and E3) fo...
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- The set representing the correct order of ionic radius is :
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- Which of the following are wrong?
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- Consider the following statements : (I) The radius of an anion is la...
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- Which among the following factors is the most important in making fluo...
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- Which of the following statements is/are wrong?
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