div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=documentkm-454e-20171004192913-the-halogen-triad-the-search-for-a-periodic-table-conthtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: KM 454e-20171004192913€¦ · The Halogen Triad The Search for a Periodic Table cont Dmitri Mendeleevs research revealed that the chemical and physical properties of the elements loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader034fdocumentsnetreader034viewer20220519156007236faa8da7625b3377b9html5thumbnails1jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imageimg data-url=documentkm-454e-20171004192913-the-halogen-triad-the-search-for-a-periodic-table-conthtmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: KM 454e-20171004192913€¦ · The Halogen Triad The Search for a Periodic Table cont Dmitri Mendeleevs research revealed that the chemical and physical properties of the elements loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader034fdocumentsnetreader034viewer20220519156007236faa8da7625b3377b9html5thumbnails2jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=3Page 3button div class=trans-imageimg data-url=documentkm-454e-20171004192913-the-halogen-triad-the-search-for-a-periodic-table-conthtmlpage=3 data-page=3 class=trans-thumb lazyload alt=Page 3: KM 454e-20171004192913€¦ · The Halogen Triad The Search for a Periodic Table cont Dmitri Mendeleevs research revealed that the chemical and physical properties of the elements loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII=...