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Which are called 'ntals'?...

Which are called 'ntals'?

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Elements of 5d-series (specially Pt, Au and Hg).
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CHHAYA PUBLICATION-CLASSIFICATION OF ELEMENTS & PERIODICITY IN PROPERTIES-VERY SHORT TYPE QUESTIONS
  1. Which element gives golden-yellow colouration to the flame?

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  2. Why Mg cannot be identified by flame test?

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  3. Which are called 'ntals'?

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  4. Give the electronic configuration of the outermost shell of lanthanide...

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  5. Which of the groups in the periodic table contain all the metallic ele...

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  6. Give the names of the noble gas elements present in the second and fif...

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  7. Mention the name and atomic number of the element present in group 13 ...

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  8. Give the electronic configuration of the fifth element of the first tr...

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  9. Identify the transition element(s): K,Mn,Ca,Cs,Fe,Cu,Pb.

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  10. Name two elements which d not give flame test.

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  11. Which lanthanide elements have only 1 electron in 5d-subhsell?

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  12. Write the outermost electronic configuration of chalcogens.

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  13. What will be the position in periodic table of the element having elec...

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  14. Mention the position of the pnictogens in the lonf form of the periodi...

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  15. Write in decreasing order: covalent radius, van der waals radius, meta...

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  16. Which element has highest oxidising property?

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  17. Give one example of each of metal, non metal, metalloid present in the...

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  18. Give the names of two non-metals present in s-block of the periodic ta...

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  19. What is the unit of electron affinity ?

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  20. Is the value of electron affinity of an element be zero?

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