List of elements
»
Actinium
»
Aluminum
»
Antimony
»
Argon
»
Arsenic
»
astatine
»
Barium
»
Bismuth
»
bohrium
»
Boron
»
Bromine
»
Cadmium
»
Calcium
»
Carbon
»
Cerium
»
cesium
»
Chlorine
»
Chromium
»
Cobalt
»
Copper
»
Curium
»
dubnium
»
Erbium
»
Europium
»
fermium
»
Fluorine
»
francium
»
Gallium
»
Gold
»
Hafnium
»
hassium
»
Helium
»
holmium
»
Hydrogen
»
Indium
»
Iodine
»
Iridium
»
Iron
»
Krypton
»
Lead
»
Lithium
»
lutetium
»
Mercury
»
Neon
»
Nickel
»
Nihonium
»
Niobium
»
Nitrogen
»
nobelium
»
Osmium
»
Oxygen
»
Platinum
»
Polonium
»
Radium
»
Radon
»
Rhenium
»
rhodium
»
Rubidium
»
Samarium
»
scandium
»
Selenium
»
Silicon
»
Silver
»
Sodium
»
Sulfur
»
Tantalum
»
Terbium
»
Thallium
»
Thorium
»
Thulium
»
Tin
»
Titanium
»
Tungsten
»
Uranium
»
Vanadium
»
Xenon
»
Yttrium
»
Zinc
mineralogy
elements
Ta Tantalum
Ta - Tantalum - TRANSITION METAL
Synthetic
Radioactive
Liquid
Gaseous
Electronic configuration diagram
Name | Tantalum |
Number | 73 |
Atomic | 180.94788 |
Symbol | Ta |
Fusion | 2996 |
Boiling | 5425 |
Density | 16.654 |
Period | 6 |
Group | 5 |
Discovery | 1801 Ekeberg |
Abundance | 2 |
Radius | 2.1 |
Electronegativity | 1.5 |
Ionization | 7.5496 |
Number of isotopes | 19 |
Electronic configuration | [Xe] 4f14 5d3 6s2 |
Oxidation states | -1,2,3,4,5 |
Electron by energy level | 2,8,18,32,11,2 |
Mineral | Hardness | Density |
Achalaite | ||
Alumotantite | 7.50 / 7.50 | 7.00 |
Bariomicrolite | 4.50 / 5.00 | 5.68 |
Béhierite | 7.00 / 7.50 | 7.81 |
Bismutocolumbite | 5.50 / 5.50 | 7.56 |
Bismutomicrolite | 5.00 / 5.00 | 6.83 |
Bismutopyrochlore | 5.00 / 5.00 | 4.97 |
Bismutotantalite | 5.00 / 5.00 | 8.51 |
Burovaite-Ca | 2.73 | |
Calciosamarskite | 6.50 / 6.50 | 4.48 |
Calciotantite | 6.50 / 6.50 | 7.46 |
Ceriopyrochlore-(Ce) | 5.00 / 5.50 | 4.13 |
Cesplumtantite | 7.00 / 7.00 | 6.00 |
Columbite-(Mg) | 6.50 / 6.50 | 5.04 |
Columbite-(Mn) | 6.00 / 6.00 | 5.28 |
Euxenite-(Y) | 6.50 / 6.50 | 4.70 |
Eveslogite | 5.00 / 5.00 | 2.85 |
Ferrokentbrooksite | 5.00 / 6.00 | 3.06 |
Ferrotitanowodginite | 5.50 / 5.50 | |
Ferrowodginite | 5.50 / 5.50 | 7.00 |
Fersmite | 4.00 / 4.50 | 4.69 |
Fluorcalciomicrolite | 4.00 / 5.00 | 6.16 |
Fluornatromicrolite | 5.00 / 5.00 | 6.49 |
Foordite | 6.00 / 6.00 | 6.73 |
Formanite-(Y) | 5.50 / 6.50 | 7.03 |
Heftetjernite | 4.50 / 4.50 | |
Holtite | 8.50 / 8.50 | 3.60 |
Hydrokenomicrolite | 5.00 / 5.00 | 6.67 |
Hydroxycalciomicrolite | 5.00 / 6.00 | 6.18 |
Hydroxykenomicrolite | ||
Irtyshite | 7.00 / 7.00 | 7.03 |
Ishikawaite | 5.00 / 6.00 | 6.20 |
Iwashiroite-(Y) | 6.00 / 6.00 | 7.10 |
Ixiolite | 6.00 / 6.50 | 6.94 |
Jedwabite | 7.00 / 7.00 | 8.60 |
Johnwalkite | 4.00 / 4.00 | 3.40 |
Kimrobinsonite | 2.50 / 2.50 | 6.00 |
Koragoite | 4.00 / 5.00 | 4.70 |
Lakargiite | 8.00 / 8.50 | 4.59 |
Liandratite | 3.50 / 3.50 | 6.80 |
Lithiotantite | 6.00 / 6.50 | 7.00 |
Lithiowodginite | 5.00 / 6.00 | 7.50 |
Loranskite-(Y) | 5.00 / 5.00 | 4.40 |
Makarochkinite | 5.50 / 6.00 | 3.93 |
Marianoite | 6.00 / 6.00 | 3.32 |
Menezesite | 4.00 / 4.00 | 4.18 |
Microlite | 5.00 / 5.50 | 4.20 |
Nalivkinite | 3.29 | |
Natrobistantite | 6.10 | |
Natrotantite | 7.00 / 7.00 | 7.71 |
Nioboaeschynite-(Y) | 5.00 / 6.00 | 5.34 |
Niobocarbide | 8.00 / 8.00 | 10.25 |
Olmsteadite | 4.00 / 4.00 | 3.31 |
Oxynatromicrolite | 6.51 | |
Oxystannomicrolite | ||
Oxystibiomicrolite | ||
Parabariomicrolite | 4.00 / 4.00 | 5.97 |
Petscheckite | 5.00 / 5.00 | 5.50 |
Písekite-(Y) | 5.50 / 6.00 | 4.03 |
Plumbomicrolite | 5.00 / 5.00 | 6.60 |
Plumbopyrochlore | 4.50 / 5.50 | 5.04 |
Polycrase-(Y) | 5.00 / 6.00 | 4.97 |
Rankamaite | 3.00 / 4.00 | 5.50 |
Rossovskyite | 6.00 / 6.00 | 6.30 |
Rynersonite | 4.50 / 4.50 | 6.40 |
Samarskite-(Y) | 5.00 / 6.00 | 5.60 |
Samarskite-(Yb) | 5.00 / 6.00 | 7.03 |
Schiavinatoite | 8.00 / 8.00 | 6.55 |
Simpsonite | 7.00 / 7.50 | 6.70 |
Sosedkoite | 6.00 / 6.00 | 6.90 |
Stibiotantalite | 5.50 / 5.50 | 6.00 |
Takanawaite-(Y) | 5.50 / 5.50 | 6.97 |
Tantalaeschynite-(Y) | 5.50 / 6.00 | 5.75 |
Tantalcarbide | 6.00 / 7.00 | 14.50 |
Tantalite-(Fe) | 6.00 / 6.50 | 8.20 |
Tantalite-(Mg) | 5.50 / 5.50 | 6.70 |
Tantalite-(Mn) | 6.00 / 6.50 | 8.10 |
Tanteuxenite-(Y) | 5.00 / 6.00 | 5.40 |
Tantite | 7.00 / 7.00 | 8.45 |
Tapiolite-(Fe) | 6.00 / 6.00 | 7.82 |
Tapiolite-(Mn) | 6.00 / 6.00 | 7.72 |
Taseqite | 5.50 / 5.50 | 3.24 |
Thoreaulite | 5.50 / 6.00 | 7.60 |
Titanowodginite | 5.50 / 5.50 | 6.86 |
Uranmicrolite | 5.50 / 5.50 | 5.75 |
Uranopolycrase | 5.00 / 6.00 | 5.50 |
Uranpyrochlore | 5.00 / 5.00 | 4.80 |
Vigezzite | 4.50 / 5.00 | 5.54 |
Wodginite | 5.50 / 5.50 | 7.19 |
Yttrobetafite-(Y) | 4.50 / 5.50 | 3.65 |
Yttrocolumbite-(Y) | 5.00 / 6.00 | 5.70 |
Yttropyrochlore-(Y) | 4.50 / 5.50 | 3.60 |
Yttrotantalite-(Y) | 5.00 / 5.50 | 5.50 |
Zabinskiite | 5.00 / 5.00 | 3.90 |
Zimbabweite | 5.00 / 5.50 | 6.20 |