url · 2020. 6. 28. · selenium silicon silver sodium strontium sulphur tantalum tellurium...
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- url · 2020. 6. 28. · Selenium Silicon Silver Sodium Strontium Sulphur Tantalum Tellurium Thallium Thorium Tin Titanium Tungsten Uranium Yttrium Zinc Zirconium : 1861 Bunsen , Silicis(äTÝ)
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