Tantalum now sits below niobium in the periodic table. Melting Point: 2996.0 °C (3269.15 K, 5424.8 °F) Boiling Point: 5425.0 °C (5698.15 K, 9797.0 °F) Number of Protons/Electrons: 73. When we use data that are related to certain product, we use only data released by public relations departments and allowed for use. Atomic Weight: 180.94788. It is a strong and ductile metal and at temperatures below 150°C (302°F), this metal is quite immune to chemical attack. Discovered in 1802 by Ekeberg, but many chemists thought niobiumand tantalum were identical elements until Rowe in 1844, and Marignac, in 1866, showed that niobic and tantalic acids were two different acids. The atomic number of tantalum is 73. It is a Transition metal in Group 5. It is member of d-block, 5 th group and 6 th period of the periodic table. There are two reasons for the difference between mass number and isotopic mass, known as the mass defect: Typical densities of various substances at atmospheric pressure. Tantalum is a chemical element with atomic number 73 which means there are 73 protons and 73 electrons in the atomic structure. Uses of Tantalum: Used in metal alloys. Tantalum is a blue-gray transition metal with element symbol Ta and atomic number 73. Tantalum is a chemical element with symbol Ta an atomic number 73. Number of protons in Tantalum is 73. Atomic Mass: 180.9479 amu. Tantalum is a silvery metal that is soft in its pure form. The chemical symbol for Tantalum is Ta . Melting point of Tantalum is 2996 °C and its the boiling point is 5425 °C. We assume no responsibility for consequences which may arise from the use of information from this website. 1) You may use almost everything for non-commercial and educational use. Note: This purchase is a single image file. Atomic Number: 73. 180.95 g.mol-1. Tantalum is a chemical element with atomic number 73 which means there are 73 protons and 73 electrons in the atomic structure The chemical symbol for Tantalum is Ta Tantalum is a rare, hard, bluegray, lustrous transition metal that is highly corrosionresistant Main purpose of this project is to help the public learn some interesting and important information about the peaceful uses of nuclear energy. The year before, the element columbium had been discovered by … 1.5. Atomic weight of Tantalum is 180.94788 u or g/mol. Tantalum occurs naturally in many different ores, the most common one being Tantalite. Named afterTantalos, a Greek a mythological character, father of Niobe. Number of Neutrons: 108. Element Classification: Metal. Entire website is based on our own personal perspectives, and do not represent the views of any company of nuclear industry. The Standard English unit is pounds mass per cubic foot (lbm/ft3). Symbol: Ta. 16.69 g.cm-3 at 20°C. Boiling point of Tantalum in Kelvin is 5731 K. Tantalum melting point is 2996 °C. Atomic Number: 73: Atomic Mass: 180.9 atomic mass units Number of Protons: 73: Number of Neutrons: 108: Number of Electrons: 73: Melting Point: 2996.0° C: Boiling Point: 5425.0° C: ... Tantalum carbide (TaC) Tantalum chloride (TaCl 5) Tantalum nitride (TaN) Tantalum pentoxide (Ta 2 O 5) Tantalum telluride (TaTe 2) Interesting facts: Tantalum chemical element with atomic number, symbol and weight; Physical Properties of Tantalum Tantalum appears as a shiny and silvery metal in its soft and pure form. Melting Point: 3290 K (3017°C or 5463°F) Boiling Point: 5731 K (5458°C or 9856°F) Density: 16.4 grams per cubic centimeter. 73 Ta Tantalum 180.94788. It has an atomic number of 73, and an atomic weight of just under 181. The chemical symbol for Tantalum is Ta . Atomic Number of Tantalum. Period Number: 6. The chemical element Tantalum is a rare, hard, blue-gray, lustrous transition metal. Tantalum (atomic number 73, symbol Ta) is a hard, heavy metal that is grayish silver in color. It usually occurs in compounds with niobium. Tantalum is a very good insulator so it is used in electronic compound production; in particular, capacitors for mobile phones, etc. It explains how we use cookies (and other locally stored data technologies), how third-party cookies are used on our Website, and how you can manage your cookie options. Phase at Room Temperature: Solid. Isolated blackboard with periodic table, Tantalum. The unit of measure for mass is the atomic mass unit (amu). For example, 63Cu (29 protons and 34 neutrons) has a mass number of 63 and an isotopic mass in its nuclear ground state is 62.91367 u. This website does not use any proprietary data. What's in a name? For other isotopes, the isotopic mass usually differs and is usually within 0.1 u of the mass number. Classified as a transition metal, Tantalum is a solid at room temperature. It belongs to group 5, periodic number 6 of the periodic table. Tantalum is a blue-gray chemical element and belongs to the group of transition metals. Tantalum Page One. Melting point of Tantalum in Kelvin is 3290 K. State of Tantalum is Solid at standard temperature and pressure Density is defined as the mass per unit volume. The chemical symbol for tantalum is Ta. For 12C the atomic mass is exactly 12u, since the atomic mass unit is defined from it. One unified atomic mass unit is approximately the mass of one nucleon (either a single proton or neutron) and is numerically equivalent to 1 g/mol. Tantalum [ˈtantalum] is a chemical element with the symbol Ta and the atomic number 73; in the periodic table it is in the fifth subgroup or vanadium group. There are also 35 known artificial radioisotopes, the longest-lived of which are 179 Ta with a half-life of 1.82 years, 182 Ta with a half-life of 114.43 days, 183 Ta with a half-life of 5.1 days, and 177 Ta with a half-life of 56.56 hours. The chemical symbol for Tantalum is Ta. Group Number: 5. Tantalum is a blue gray very hard metal that has the fourth highest melting point of metallic elements. The chemical symbol for Tantalum is Ta. Atomic Number Tantalum. The first relatively pure ductile tantalum was produced by von Bolton in 1903. Tantalum is chemically much like niobium because both have similar electronic configurations and because the radius of the tantalum ion is nearly the same as that of niobium as a result of the lanthanoid contraction.Tantalum is usually in the +5 oxidation state in its compounds; lower oxidation states, especially from +2 to +4, have been prepared. Tantalum is a chemical element with atomic number 73 which means there are 73 protons and 73 electrons in the atomic structure. Tantalum was discovered by Anders Gustaf Ekeberg (SE) in 1802. Tantalum (Ta) is a gray coloured metal that has the atomic number 73 in the periodic table. Total number of protons in the nucleus is called the atomic number of the atom and is given the symbol Z. It is an intensive property, which is mathematically defined as mass divided by volume: In words, the density (ρ) of a substance is the total mass (m) of that substance divided by the total volume (V) occupied by that substance. The second data column lists this number as a percentage of all minerals listed with Tantalum. The first data column contains the total number of minerals listed with Tantalum and the element listed for that row. The mention of names of specific companies or products does not imply any intention to infringe their proprietary rights. Tantalum is a chemical element with Ta as its symbol. Copyright 2020 Nuclear Power for Everybody | All Rights Reserved | Powered by, Interaction of Beta Radiation with Matter, Interaction of Gamma Radiation with Matter, Example – Calculation of Heat Exchanger, Neodymium – Atomic Number – Atomic Mass – Density of Neodymium, Thallium – Atomic Number – Atomic Mass – Density of Thallium, Reactor Dynamics – Quiz – Test your Knowledge, UK and Euratom sign Nuclear Cooperation Agreement, US uranium miners ready to support nuclear power, says Uranium Committee, Adequate uranium to meet demand, latest Red Book concludes. It is a rarely occurring, ductile, graphite-gray, shiny transition metal. Density. Tantalum is a rare, hard, blue-gray, lustrous transition metal that is highly corrosion-resistant. Atomic number. The total electrical charge of the nucleus is therefore +Ze, where e (elementary charge) equals to 1,602 x 10-19 coulombs. Its atomic number is 73 and indicated by the symbol Ta. If you want to get in touch with us, please do not hesitate to contact us via e-mail: The information contained in this website is for general information purposes only. 2) You may not distribute or commercially exploit the content, especially on another website. Tantalum Periodic Table of Elements. It is a rare metal.It is hard and blue-gray. Tantalum. Atomic Number of Tantalum is 73. Tantalum is a chemical element with atomic number 73 which means there are 73 protons in its nucleus. The final data column compares this percentage against the percentage of all minerals that contain the element listed in each row. Ta is the sixth period element in the VB family, with an atomic number of 73, relative atomic mass of 180.95, density of 16.6 g/cm3, and melting point of about 3,000°C (2,980±20°C), which is a little lower than W and Re [135]. Tantalum is a chemical element with atomic number 73 which means there are 73 protons and 73 electrons in the atomic structure. Tantalum (Ta) has an atomic number of seventy-three. A dense, ductile and very hard metal, Tantalum is most well-known for its strong resistance to corrosion by acid attack, even with aggressive acids such as Aqua Regia. Both are rare earth elements. Tantalum boiling point is 5425 °C. Melting point. The standard SI unit is kilograms per cubic meter (kg/m3). Atomic Mass of Tantalum Atomic mass of Tantalum is 180.9479 u. One atomic mass unit is equal to 1.66 x 10-24 grams. Our Website follows all legal requirements to protect your privacy. Tantalum is a rare, hard, blue-gray, lustrous transition metal that is highly corrosion-resistant. Atomic numbers pics is a collection of sciencetuts. The origin of the name comes from the Greek word Tantalos meaning father of Niobe in Greek mythology, (tantalum is closely related to niobium in the periodic table). Atomic weight of Tantalum is 180.94788 u or g/mol. Natural tantalum (73 Ta) consists of two stable isotopes: 181 Ta (99.988%) and 180m Ta (0.012%). The melting point of tantalum is 3290 degrees Kelvin or 3017.85 degrees Celsius or degrees Celsius. 73. 2850 °C. Tantalum is a hard, grey, ductile metal. The name of this chemical element comes from the Greek mythological character Tantalus the King. In chemistry it is placed in a group of metal elements named the transition metals.. Tantalum does not easily corrode.It is found in the mineral tantalite.. Sources It has the symbol Ta. Because of its hardness and corrosion resistance, it is an important refractory metal and is … This website was founded as a non-profit project, build entirely by a group of nuclear engineers. Its name originates from the name of a villain from Greek mythology, Tantalus. Tantalum is a chemical element with symbol Ta and atomic number 73 in the periodic table. Chemical symbol for Tantalum is Ta. Note that, each element may contain more isotopes, therefore this resulting atomic mass is calculated from naturally-occuring isotopes and their abundance. Tantalum occurs principally in the mineral columbite-tantalite. Atomic mass. Number of protons in Tantalum is 73. The early investigators only isolated the impure metal. Atomic Number: 73. It is a blue-gray, very hard metal with the fourth highest melting point of any metallic element. This chemical element also forms very strong alloys with other metals like iron, and the alloys are used for producing some parts of aircrafts, turbines, windmills, etc. Interesting Tantalum Facts: In 1802, Anders Ekeberg of Sweden discovered tantalum. Tantalum pentoxide is used in capacitors, condensers, cutting tools, vacuum tube filaments and in camera lenses to increase refracting power. It is a rare, grey, heavy, hard but ductile, metal with a high melting point that reacts with HF and fused alkalis. The Cookies Statement is part of our Privacy Policy. It always takes a valence of 5, so, for example, its oxide contains two atoms of tantalum and five of oxygen. Properties, Isotopes, and Occurrence Tantalum (Ta) Atomic Data for Tantalum (Ta) Atomic Number = 73 Atomic Weight = 180.9479 Reference E95 : Isotope : Mass : Abundance : Spin : Mag Moment : 180 Ta: 179.947462: 0.012%: 9 : 181 Ta: 220.011368: 99.998%: 7/2 +2.370: Ta I Ground State 1s 2 2s 2 2p 6 3s 2 3p 6 3d 1 0 4s 2 4p 6 4d 1 0 4f 1 4 5s 2 5p 6 5d 3 6s 2 4 F 3 / 2 Additional Notes: Tantalum Menu. Its atomic number is 73. It is named after Tantalos, a Greek mythological character. Tantalum is a chemical element.Tantalum was named tantalium.It has the chemical symbol Ta.It has the atomic number 73. Save Comp. Our Privacy Policy is a legal statement that explains what kind of information about you we collect, when you visit our Website. 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