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In transition elements the incoming elec...

In transition elements the incoming electron occupies (n-1)d sublevel in preference to ͟ ͟ ͟͟͟

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Why do transition elements have many irregularities in their electronic configuration?

What may be the stable oxidation-state of the transition element with the following d electron configurations. in the ground state of their atoms ': 3d^3,3d^5,3d^8 and 3d^4

Assing the position of the elements with outer electronic configuration (n-1) d^2 ns^2(n = 4)

Which are the elements in which the last electron enters the d subshell?

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Assing the position of the elements with outer electronic configuration ns^2np_4 (n = 3)

Assertion : Transition elements shows horizontal similarities in addition to the main group elements. Reason : Their addition electron in a series enters into (n-1) d subshell.

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MAXIMUM PUBLICATION-CLASSIFICATION OF ELEMENTS & PERIODICITY IN PROPERTIES-EXAMPLE
  1. The IUPAC name ofthe element with atomic number is 109 is ͟ ͟ ͟...

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  2. The size of iso electronic species F^-, Ne and Na^+ is affected by

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  3. In transition elements the incoming electron occupies (n-1)d sublevel ...

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  4. The arguments made by two students are as given: Student 1 : 'Hydrogen...

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  5. Match the following:

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  6. a) Which one has greater size, Na or K? b) Justify your answer.

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  7. The general cheracteristics of a particular block of elements is as gi...

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  8. The variation in electron gain enthalpies of elements is less systemat...

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  9. Some elementS are given. Li, Cs, Be, C, N, O F, l, Ne, Xe. a) Arrange...

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  10. a) What is meant by atomic radius? b) Explain covalent radius. c) Wr...

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  11. Consider the statement: 'The element with 1s^2 configuration belongs t...

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  12. The properties of elements are a periodic function of their atomic wei...

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  13. a) Define ionisation enthalpy. b) IE1< IE2 < IE3 What is meant by th...

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  14. Say whether the following are true or false: a) On moving across a pe...

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  15. a) On moving down a group what happens to electron gain enthalpy? b) ...

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  16. Electron gain enthalpy is an important periodic property. a) What is m...

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  17. a) The electron gain enthalpies of Be and Mg are positiVe. What is you...

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  18. During a group discussion a student argued that ionization enthalpy de...

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  19. a) Which of the following has higher first ionization enthalpy, N or O...

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  20. Electronegativity differs from electron gain enthalpy. a) Do you agre...

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