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A N EXCEL PUBLICATION-CLASSIFICATION TO ELEMENTS AND PERIODICITY IN PROPERTIES-QUESTION BANK
- The elements Z = 117 and 120 have not yet been discovered. In which fa...
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- Which of the following species will have the largest and the smallest ...
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- Which of the following will have the most negative electron gain enth...
02:47
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- Using the periodic Table, predict the farmulas of compounds which migh...
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- Using the periodic Table, predict the formulas of compounds which migh...
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- Are the oxidation state and covelency of Al in [AlCl (H2O)5]^(2+) same...
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- On the basis of quantum numbers justify that the sixth period table sh...
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- In terms of period and groups where would you locate the element with ...
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- Write the atomic number of the element in the third period and group 1...
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- Which element do you think would have been named by Lawrence Berkele...
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- Which element do you think would have been named by Seaborg's group.
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- Why do elements in the same group have similar properties ?
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- What do you mean by isoelectronic species ?
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- Name the species that will be isoelectronic with Ar
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- Name the species that will be isoelectronic with Mg^(2+)
02:35
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- Name the species that will be isoelectronic with Rb^+
01:38
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- N^(3-),O^(2-),F^-,Na^+, Mg^(2+),Al^(3+) what is comman in them ?
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- N^(3-),O^(2-),F^-,Na^+, Mg^(2+),Al^(3+) Arrange them in the order of ...
04:28
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- Energy of an electron in the ground state of hydrogen atom is -2.18 xx...
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- Among the second period elements the actual ionisation enthaply are in...
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