Chemical Elements 118

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Element ▲ Symbol Atomic number Chemical property Origin o the name Group Period Atomic weight (u)
Tantalum Ta 73 Transition metal King Tantalus, father of Niobe from Greek mythology 5 6 180.94788
Technetium Tc 43 Transition metal the Greek tekhnètos meaning 'artificial' 7 5
Tellurium Te 52 Metalloid Latin tellus, 'earth' 16 5 127.6
Tennessine Ts 117 Unknown chemical properties Tennessee, United States 17 7
Terbium Tb 65 Lan­thanide Ytterby, Sweden 6 158.92535
Thallium Tl 81 Post-​transition metal the Greek thallos, 'green twig' 13 6 204.38
Thorium Th 90 Actinide Thor, the Scandinavian god of thunder 7 232.0377
Thulium Tm 69 Lan­thanide Thule, the ancient name for Scandinavia 6 168.93422
Tin Sn 50 Post-​transition metal English word (stannum in Latin) 14 5 118.71
Titanium Ti 22 Transition metal Titans, the sons of the Earth goddess of Greek mythology 4 4 47.867
Tungsten W 74 Transition metal the Swedish tung sten, 'heavy stone' (W is wolfram, the old name of the tungsten mineral wolframite) 6 6 183.84
Uranium U 92 Actinide Uranus, the seventh planet in the Solar System 7 238.02891
Vanadium V 23 Transition metal Vanadis, an Old Norse name for the Scandinavian goddess Freyja 5 4 50.9415
Xenon Xe 54 Noble gas the Greek xenos, 'strange' 18 5 131.293
Ytterbium Yb 70 Lan­thanide Ytterby, Sweden 6 173.045
Yttrium Y 39 Transition metal Ytterby, Sweden 3 5 88.90584
Zinc Zn 30 Post-​transition metal German word Zinke (prong, tooth) 12 4 65.38
Zirconium Zr 40 Transition metal Persian Zargun, 'gold-colored'; German Zirkoon, 'jargoon' 4 5 91.224