The number of elements in the fifth peri...

The number of elements in the fifth period of periodic table is

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MODERN PUBLICATION-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-MULTIPLE CHOICE QUESTIONS (LEVEL -II)

Which of the following sets of elements have the strongest tendency to...
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Which of the following represents elements in order of increasing size...
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The number of elements in the fifth period of periodic table is
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The element with atomic number 35 lies in group
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The electronic configuration of four elements are given below. Which o...
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The element with atomic number 55 belongs to which block of the period...
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The electronic configuration of an element is 1s^(2)2s^(2)2p^(6)3s^(2)...
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A sudden jump between second and third ionisation enthalpies of an ato...
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The electronic configuration of the element which is just above the el...
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The correct values of ionisation energies of Si, P, Cl and S are respe...
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The element which has greastest difference between first and second io...
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In a group of the periodic table, the elements possess:
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The process requiring the absorption of energy is:
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In the isoelectric species the ionic radii (Å) of N^(3-) O^(2-) and F^...
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The correct order of negative electron gain enthalpy of the elements o...
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In which of the following carbon has maximum electronegativity?
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The recently discovered element Db (Z=105) belongs to
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The correct order of 1st ionisation enthalpy among the following eleme...
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The ions O^(2-), F^(-),Na^(+),Mg^(2+)and Al^(3+) are isoelectric. Thei...
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Which of the following arrangement represents correct order of electro...
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