mbrooks802 mbrooks802
  • 09-01-2024
  • Chemistry
contestada

chromium is extensively used in electroplating industry. oxidation of Cr to Cr₂ ion involves removal of valence electrons from:
(a) 3d orbital.
(b) 4s orbital.
(c) 4s and 4p orbital.
(d) 3d orbital only

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