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The electronic configuration (outermost) of Mn+2 ion (atomic number of Mn= 25 ) in its ground state is:
(1) 3d5, 4so
(2) 3d4, 4s1
(3) 3d3, 4s2
(4) 3d2, 4s2, 4p2
Ans: 3d5, 4so
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Give example of Allotropy The element carbon has two common allotropes: diamond, where the carbon atoms are bonded together in a tetrahedral lattice arrangement, and graphite
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Decomposition Metal Hydrogen Carbonate Cu(HCO 3 ) 2 . Decomposition Metal Hydrogen Carbonate
Silica glass: It is produced by heating pure sand to its melting point. Because of absence of refining agents, it is extremely difficult to get rid of all air-bubbles. Moreover, o
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schematic diagram for osvw
Pb(NO)3 + Na3Po4 --> NaNo3 + PbPO4
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