Chemistry 0.0 / 5 ? ChemistryThe earth and its atmosphereGCSENone Created by: ๐ข๐ช๐ถ๐พ๐ฎ๐ต๐ธ๐ถ๐ ๐ ๐Created on: 15-11-19 15:06 A horizontal row period 1 of 6 what is group 1 called alkali metals 2 of 6 what is group 8 called noble gases 3 of 6 what is the first element called hydrogen 4 of 6 who created the periodic table mendeleev 5 of 6 when was the periodic table created March 6, 1869 6 of 6
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