div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=webelements-qr-periodic-table-title-webelements-qr-periodic-table-author-markhtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: WebElements QR Periodic TableTitle: WebElements QR Periodic Table Author: Mark Winter Subject: WebElements QR Periodic Table version 11 15 September 2011 Version 10 17 July loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader031vdocumentssitereader031viewer20220119095f7416ecd77b6b75c83c60a6html5thumbnails1jpg width=140 height=200 divdiv