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Classification of Elements and Periodicity in Properties
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Classification of Elements and Periodicity in Properties
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25 Questions

1. Of the given electronic configurations forthe elements - which electronic configurationindicates that there will be abnormally highdifference in the second and third ionizationenergy for the element? [1999]
2. An atom has electronic configuration 1s22 s22p63 s23 p63 d34 s2 - you will place it in whichgroup? [2002]
3. Which of the following statements is true?[2002]
4. In the periodic table from left to right in aperiod - the atomic volume [1993]
5. Which of the following sets has strongesttendency to form anions? [1993]
6. The stability of + 1 oxidation state increasesin the sequence: [2009]
7. Which one of the following arrangementsrepresents the correct order of least negative tomost negative electron gain enthalpy for C - Ca - Al - Fand O? [2013]
8. Correct order of first IP among followingelements Be - B - C - N - Ois [2001][1995]
9. Elements of which of the following groups willform anions most readily? [1992]
10. Ionic radii are [2004]24
11. Which one of the following ionic species hasthe greatest proton affinity to form stablecompound? [2007]
12. Which one of the following oxides isexpected to exhibit paramagnetic behaviour?[2005]
13. One of the characteristic properties of nonmetals is that they [1993]
14. Amongst the elements with followingelectronic configurations - which one of themmay have the highest ionization energy? [2009]
15. Which of the following represents thecorrect order of increasing electron gainenthalpy with negative sign for the elements O - S - Fand Cl? [2010]
16. If the atomic number of an element is 33 - itwill be placed in the periodic table in the [1993]
17. In the periodic table - with the increase inatomic number - the metallic character of anelement [1989]
18. Which one of the following ions will be thesmallest in size? [1996]
19. Which electronic configuration of an elementhas abnormally high difference between secondand third ionization energy? [1993]
20. Na+ - Mg++ - Al3+ and Si4+ are isoelectronicTheorder of their ionic size is [1993]
21. Which of the following does not representthe correct order of the properties indicated[1997]
22. The element - with atomic number 118 - willbe [1995]
23. Pauling-™selectronegativityvalues6One would expect proton to have very large[1993]
24. Identify the correct order of the size of thefollowing: [2007]
25. Among the elements Ca - Mg - Pand Cl - theorder of increasing atomic radii is: [2010]

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