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MBD PUBLICATION-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-QUESTION BANK
- In which pair, second atom is larger than the first :
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- An element X occurs in short period having configuration ns^2np^1 . Th...
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- The smallest atom in the following is :
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- Electron affinity of noble gases is :
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- A neutral atom will have the lowest ionization potential when electron...
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- The lightest metal in the periodic table is :
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- The group in which all the elemets do not have same number of valency ...
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- The first largest ionisation potential stands for :
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- O2^(2-) is isoelectronic with
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- Which one of these is basic ?
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- Among the following outermost configurations of transition which shows...
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- Electronegtivity of beryllium is approximately equal to that of :
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- Which element exhibits variable oxidation states ?
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- The screening effect of 'd' electrone is :
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- Maximum group valancy of halogens with respect to oxygen is :
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- The law of octaves is applicable too :
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- Which is most reactive chemically ?
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- The first ionisation energy is smallest for the atom with electronic c...
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- Elements of IA group give flame colour due to :
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- The number of elements in each long period is :
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