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SURA PUBLICATION-PERIODIC CLASSIFICATION OF ELEMENTS -ADDITIONAL QUESTIONS & ANSWERS ( FILL IN THE BLANKS )
- The scale used to determine electronegativity is called as .
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- is the periodic property which is used to predict the nature of bond...
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- The process of reducing the roasted metallic oxide to metal is called
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- The element with atomic number 13 is .
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- Chemical formula of bauxite is
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- is silvery white metal.
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- When aluminium is used as a reducing agent , the process is called pr...
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- The black oxide of copper is
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- Iron containing 2-4.5% of carbon is called
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- metal is alloyed with gold and silver for making coins and jewels.
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- is used for dental filling .
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- Brass is an alloy of and .
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- is the metal widely used for anodizing .
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- Transition metals fall under groups to .
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- The distance between the centre of its nucleus and the outermost sh...
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- Atomic radius, ionic radius, electron affinity are called properties ...
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- The atomic radius of non-metallic elements is known as .
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- Along the period , from left to righ , the atomic radius of the elemen...
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- Along the groups , from the top to bottom, the atomic radius .
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- As the shell number increases, the distance between the valence shell...
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