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NCERT TAMIL-PERIODIC CLASSIFICATION-I-Questions (write in one or two sentence)
- Arrange F, Cl, Br and I in the order of increasing electronic gain ent...
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- Write electronic configurations for the elements of atomic numbers 6 a...
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- Which of the following electronic configurations has the lowest ioniza...
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- State Modern Periodic Law.
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- Why Noble gases have zero electron gain enthalpy?
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- Which of the following pairs of elements would you expect to have lowe...
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- Why do elements in the same group have generally similar properties?
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- Name any two transition elements and any two inner transition elements...
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- Arrange the order of increasing atomic volumes in : (a) Li, Na and K, ...
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- Name the different blocks of elements in periodic table. Give the gene...
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- To which block does the element with configuration 3d^(10) 4s^2 belon...
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- Why nitrogen has higher I.E. value than oxygen?
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- Out of fluorine and chlorine, which has greater electron gain enthalpy...
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- Why d- block elements are known as transition element ?
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- What property did Mendeleev use to classify elements in his periodic t...
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- Among the elements Li, K, Ca, S and Kr which one has the lowest first ...
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