Keywords: Ammonium-dichromate-2D.png Structural formula of ammonium dichromate NH<sub>4</sub><sub>2</sub>Cr<sub>2</sub>O<sub>7</sub> Structure drawn in http //www cambridgesoft com/software/ChemBioDraw/ ChemBioDraw Ultra 12 0 Own 2010-09-02 Ben Mills Benjah-bmm27 Images by Ben Mills Ammonium dichromate |