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identify the element predicted by Mendel...

identify the element predicted by Mendeleev as eka-aluminium.

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CHHAYA PUBLICATION-CLASSIFICATION OF ELEMENTS & PERIODICITY IN PROPERTIES-VERY SHORT TYPE QUESTIONS
  1. Who proposed the law of octaves?

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  2. For which of the element, law of octave is not applicable?

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  3. identify the element predicted by Mendeleev as eka-aluminium.

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  4. Mention the name of the group in the periodic table, which contains so...

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  5. Mention the position of the alkali metals in the periodic table.

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  6. Give an example of an element whose atomic mass has been corrected by ...

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  7. Who proved that atomic number but not the atomic mass is the more prop...

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  8. Give an example of d-block element which is not regarded as transition...

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  9. How many rare earth elements are present in the periodic table? Give a...

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  10. Give the common electronic configuration of d-block element.

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  11. Name the transition element having lowest atomic mass.

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  12. Which element gives brick red colouration to the flame? In which block...

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  13. Mention the respective block of the elements having atomic number 7,11...

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  14. What do you mean by repreesntative elements?

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  15. Give two terminal elements of rare earth elements series.

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  16. How will you detect the starting and ending of a period in the periodi...

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  17. Which block contains inner transition elements?

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  18. Give an example of a transition element, which has filled d-subshell i...

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  19. Why the ions or atoms of the transition elements are paramagnetic in n...

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  20. Give an example of a diamagnetic ion.

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