(1) 2-8-8-1 (3) 2-8-5 (2) 2-8-7-2 (4) 2-7-6 : 1 : 2-8-8-1 . Watchmakers appreciate the unique properties of platinum, as it neither tarnishes nor wears out (the latter quality relative to gold). This started what is known as the "platinum age" in Spain. Electron configurations are based primarily on three principles: the Aufbau principle, the Pauli exclusion principle, and the Heisenberg uncertainty principle. Boiling point The temperature at which the liquid–gas phase change occurs. 9th grade . Melting point The temperature at which the solid–liquid phase change occurs. Okay so anytime that it ends in d9 we're going to fix it up a little bit, same exact way we're going to take an electron from the 4s and we're going to move it over to the 3d. [36], Several barium platinides have been synthesized in which platinum exhibits negative oxidation states ranging from −1 to −2. The resistance wire in the thermometer is made of pure platinum (e.g. Gold prices are more stable in slow economic times, as gold is considered a safe haven. The Madelung … Use the element blocks of the periodic table to find the highest electron orbital. Platinum is paramagnetic, whereas nickel and iron are both ferromagnetic. Source(s): https://shorte.im/a976A. For other uses, see, CRC press encyclopedia of materials and finishes, 2nd edition, Mel Schwartz, 2002, Materials handbook, fifteenth edition, McGraw-Hill, by John Vaccari, 2002, Kelly, Thomas D. and Matos, Grecia R. (2013), Crown of Queen Elizabeth The Queen Mother, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, "Atomic weights of the elements 2013 (IUPAC Technical Report)", "Currency shocks knock platinum to 10-year lows", "The status of platinum anticancer drugs in the clinic and in clinical trials", "Live USD Platinum Price Charts & Historical Data", "J. C. Chaston, Platinum Metals Rev. Electronic Configurations Intro Last updated; Save as PDF Page ID 55229; Contributors and Attributions; The electron configuration of an atom is the representation of the arrangement of electrons distributed among the orbital shells and subshells. [17], In 2007, Gerhard Ertl won the Nobel Prize in Chemistry for determining the detailed molecular mechanisms of the catalytic oxidation of carbon monoxide over platinum (catalytic converter). It is the only stable isotope with a non-zero spin; with a spin of 1/2, 195Pt satellite peaks are often observed in 1H and 31P NMR spectroscopy (i.e., Pt-phosphine and Pt-alkyl complexes). Some textbooks write the electron configuration for platinum (Pt) as $\ce{[Xe] 4f^14 5d^9 6s^1}$. [14] Platinum drugs are used to treat a wide variety of cancers, including testicular and ovarian carcinomas, melanoma, small-cell and non-small-cell lung cancer, myelomas and lymphomas. Image explanation. [6] Compounds containing platinum, such as cisplatin, oxaliplatin and carboplatin, are applied in chemotherapy against certain types of cancer. Coins, bars, and ingots are traded or collected. [40] The negative oxidation states exhibited by platinum are unusual for metallic elements, and they are attributed to the relativistic stabilization of the 6s orbitals. Edit. Its name is derived from the Spanish term platino, meaning "little silver". Its most important application is in automobiles as a catalytic converter, which allows the complete combustion of low concentrations of unburned hydrocarbons from the exhaust into carbon dioxide and water vapor. An electron configuration is a description of the relative locations of electrons in an atom or ion. DRAFT. The alluvial deposits used by pre-Columbian people in the Chocó Department, Colombia are still a source for platinum-group metals. 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