Periodensystem

allgemeines

Critical Raw Materials (3)

Bauxite, Coking Coal, Lithium, Phosphor, Antimon, Feldspat, leichte seltene Erden, Scandium, Arsen, Fluorspar, Magnesium, Silicon metal, Barium, Gallium, Manganesium, Strontium, Beryllium, Germanium, Natural Graphite, Tantal, Bismuth, Hafnium, Niobium, Titan, Bor, Helium, Platin-Gruppe, Wolfram, Cobalt, schwere seltene Erden, Phosphat, Vanadium, Kupfer, Nickel

Strategic Raw Materials

Bismuth, Gallium, Manganese - battery grade, Rare Earth Elements for magnets (Nd, Pr, Tb, Dy, Gd, Sm, and Ce), Boron - metallurgy grade, Germanium, Natural Graphite - battery grade, Silicon metal, Cobalt, Lithium - battery grade, Nickel - battery grade, Titanium metal, Copper, Magnesium metal, Platinum Group Metals, Tungsten

Hauptgruppen

I	II	III	IV	V	VI	VII	VIII
1 H	-	-	-	-	-	-	2 He
3 Li	4 Be	5 B	6 C	7 N	8 O	9 F	10 Ne
11 Na	12 Mg	13 Al	14 Si	15 P	16 S	17 Cl	18 Ar
19 K	20 Ca	31 Ga	32 Ge	33 As	34 Se	35 Br	36 Kr
37 Rb	38 Sr	49 In	50 Sn	51 Sb	52 Te	53 I	54 Xe
55 Cs	56 Ba	81 Tl	82 Pb	83 Bi	84 Po	85 At	86 Rn
87 Fr	88 Ra

I Alkalimetalle
II Erdalkalimetalle
III Bor - Gruppe
IV Kohlenstoff - Gruppe
V Stickstoff - Gruppe
VI Sauerstoff - Gruppe
VII Halogene
VIII Edelgase

Nebengruppen

1. Nebengruppe	21 Sc	22 Ti	23 Va	24 Cr	25 Mn	26 Fe	27 Co	28 Ni	29 Cu	30 Zn
2. Nebengruppe	39 Y	40 Zr	41 Nb	42 Mo	43 Tc	44 Ru	45 Rh	46 Pd	47 Ag	48 Cd
3. Nebengruppe	73 Ta	74 W	75 Re	76 Os	77 Ir	78 Pt	79 Au	80 Hg