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What happens when
(NH4)2Cr2O7 is heated?
Ammonium dichromate, (NH4)2Cr2O7, decomposes when heated to produce N2, H2O, and Cr2O3
(NH4)2Cr2O7 + heat →N2 + 4H2O + Cr2O3
The outer electronic configuration of copper is 3d10 4s1, yet it is considered transition element. Why?
Name the first element of 3rd transition series.
Though copper, silver and gold have completely filled sets of d-orbitals yet they are considered as transition metals. Why?
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