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NCERT BANGLISH-PERIODIC CLASSIFICATION-I-Questions (Choose the Best Answer)
- Elements whose atoms have their s and p-sub-levels complete are the:
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- The law of triad is applicable to :
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- The law of octaves was stated by :
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- Which of the following property decreases down a group :
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- Which of the following has the lowest melting point ?
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- Which of the following hydroxide is most basic ?
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- Excluding hydrogen and helium, the smallest element in the periodic ta...
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- Which one among the following species has the largest atomic radius:
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- Which of the following is the lightest metal ?
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- Which of the following has highest ionization potential?
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- With respect to chlorine, hydrogen will be
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- Which element has the greatest tendency to lose electrons?
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- Halogens belong to the :
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- Compared to first ionization enthalpy of an atom, the second is :
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- Which arrangement of the following set of atoms is in order of increas...
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- The first attempt to classify the elements was made by :
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- Characteristic of transition elements is incomplete in :
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- Which of the following will have lowest first ionization enthalpy ?
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- Transition metals have the electronic configuration :
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- In the first transition series the incoming electron enters the :
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