Symbol: TcDate of discovery: 1937Name origin: Greek technêtosAppearance: silvery-grayDiscoverer: Carlo Perrier/Emilio SegreObtained from: man-made Melting point: 2430 KBoiling point: 4538 KDensity[kg/m3]: 11500Molar volume: 8.63 × 10-6 m3/molProtons/Electrons: 43Neutrons: ...
Periodic Table -> Technetium TechnetiumTechnetium DetailsTechnetium Symbol: TcTechnetium Atomic Number: 43Technetium Atomic Weight: (98)What is Technetium?Technetium (symbol Tc, atomic number 43) is a transition element with a silvery gray color. It was first detected by the Japanese scientist ...
SymbolTcA silvery-gray, radioactive metallic element. It was the first element to be artificially made, and it is produced naturally in extremely small amounts during the radioactive decay of uranium. Technetium is used to remove corrosion from steel.Atomic number43. SeePeriodic Table. ...
Technetium definition: an element of the manganese family, not found in nature, but obtained in the fission of uranium or by the bombardment of molybdenum. Symbol: Tc; atomic weight: 99; atomic number: 43; specific gravity. See examples of TECHNETIUM use
Symbol: Tc; m.p. 2172°C; b.p. 4877°C; r.d. 11.5 (est.); p.n. 43; r.a.m. 98.9063 (99Tc); most stable isotope 98Tc (half-life 4.2 × 106 years). View all 3.2 Description closed-packed hexagonal, a=0.2741 nm, c=0.4399nm; enthalpy of sublimation 650 kJ/mol; enthalpy ...
Well in early versions of the table, there was no symbol for an element with 43 protons because no element had yet been discovered with 43 protons.So the periodic table had a gap between elements 42 and 44. And, then, uh, in 1925 a team of chemists led by a scientist named Ida ...
ElementSymbolAtomic Mass# of AtomsMass Percent Technetium Tc 98 g/mol 1 75.3853% Oxygen O 31.9988 g/mol 2 24.6147% Technetium(Iv) Oxide Element Mass PercentTechnetium98gTechnetium98gOxygen31.9988gOxygen31.9988g TcO2 # of AtomsOxygen2Oxygen2Technetium1Technetium1 🛠️ Calculate Molar Mass Instr...
Composition ofTechnetium- Tc ElementSymbolAtomic Mass# of AtomsMass Percent TechnetiumTc98 g/mol1100% Technetium Element Mass PercentTechnetium98gTechnetium98gTc # of AtomsTechnetium1Technetium1 Instructions This program determines the molecular mass of a substance. Enter the molecular formula of the sub...
a metallic chemical element (symbol Tc) with an atomic number of 43. [..] + 添加翻译 英文-土耳其文字典 teknetyum noun chemical element In nuclear medicine, the element technetium is injected into patients to measure unusual bone rebuilding. Nükleer tıpta, hastaların sıra d...
technetium: Symbol Tc. A radioactivemetallic transition element;a.n. 43; m.p. 2172°C; b.p. 4877°C. Theelement can be detected in certainstars and is present in the fissionproducts of uranium. It was firstmade by Carlo Perrier and EmilioSegré (1905–89) by bombardingmolybdenum with ...