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ICSE-THE s - BLOCK ELEMENTS-TRUE OR FALSE. TYPE QUESTIONS (State whether the following statements are True or False:
- s-block elements are also referred to as transition elements. True/Fal...
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- The first element of a group shows close resemblance with other elemen...
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- Beryllium exhibits diagonal relationship with .................. (magn...
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- The electronic configuration of alkali metals is of the type [Noble ga...
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- The atomic and ionic radii of alkali metals are the smallest in their ...
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- The density of alkali metals increases from Li to Cs.
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- 'Each alkali metal is the most electropositive element in its period'....
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- The correct order of hydration enthalpies of alkali metal ions is:
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- Li is used in photoelectric cells.
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- K, Rb and Cs form mainly superoxides.
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- Why are lithium halides partially covalent ? Explain with examples.
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- Inspite of very high ionisation energy, lithium is the strongest reduc...
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- When an alkali metal dissolves in liquid ammonia the solution can acqu...
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- The densities of alkaline earth metals are much smaller than those of ...
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- Why are the second ionisation energies of alkaline earth metals much s...
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- Why do alkaline earth metals and their compounds impart characteristic...
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- The flame test with a salt P gave a brick red flame. What is the catio...
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- Be(OH)2 is
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- BaCl2 is a low melting volatile solid.
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- Assertion : Among alkaline earth metals, Be predominantly forms covale...
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