File:H3PO4 H3PO3 stickfigures DEVolk.png: Revision history

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11 March 2022

22 June 2009

7 December 2007

  • curprev 16:0716:07, 7 December 2007imported>David E. Volk 325 bytes +325 {{Image notes |Description= Stick figures of phosphoric (H3PO4) and phosphorus (H3PO3) acids |Author= David E. Volk |Date= Dec. 7, 2007 |Source= Created by D. E. Volk for CZ |Country first published in= USA |Copyright holder= D. E. Volk |Notes= |Other versions=}}