File talk:Il sistema periodico.png
Latest comment: 12 years ago by 99.120.130.167 in topic Arsenic is missing
Although the name of the .png does not reflect it, this file is for illustrating the article The Periodic Table (book).
Arsenic is missing
edit
Arsenic -- As, atomic number 33 -- for story #15 is missing from the chart. It would fall directly below phosphorus (P). Can someone please fix this? -- 99.120.130.167 (talk) 06:44, 25 October 2012 (UTC)
