Platinum by ROWIE https://padlet.com/ROW1E/525vbjsbmy5w en-us 2017-02-27 01:22:20 UTC 2026-01-08 17:45:04 UTC hello@padlet.com platinum ROW1E https://padlet.com/ROW1E/525vbjsbmy5w/wish/157245911 symbol: Pt
atomic number: 78
atomic mass: 195.084 u
atomic radius: 177
energy levels: 6

]]> 2017-03-02 07:54:28 UTC https://padlet.com/ROW1E/525vbjsbmy5w/wish/157245911 platinum discovery ROW1E https://padlet.com/ROW1E/525vbjsbmy5w/wish/157246119 Platinum was discovered by South American peoples who produced artifacts of a white gold-platinum alloy.
The first written account of platinum was from Julius C Scaliger in 1557. He describes it as a strange metal found in mines between Panama and Mexico and wrote that no fire or any of the Spanish arts could melt it. but the man who discovered it was Antonio de Ulloa in 1716-95. While serving in South America from 1735 to 1746, de Ulloa collected samples of platinum.


]]> 2017-03-02 07:55:48 UTC https://padlet.com/ROW1E/525vbjsbmy5w/wish/157246119 platinum atom structure ROW1E https://padlet.com/ROW1E/525vbjsbmy5w/wish/159153133 platinum's atom structure has 78 protons, 117 neutrons ]]> 2017-03-09 23:13:24 UTC https://padlet.com/ROW1E/525vbjsbmy5w/wish/159153133 properties of platinum ROW1E https://padlet.com/ROW1E/525vbjsbmy5w/wish/159153322 Platinum is heavy, soft, malleable. Platinum has a very high boiling and melting point. it melts at 1,768.4 degrees Celsius and boils at 3,825    degrees Celsius.]]> 2017-03-09 23:15:09 UTC https://padlet.com/ROW1E/525vbjsbmy5w/wish/159153322 reference list ROW1E https://padlet.com/ROW1E/525vbjsbmy5w/wish/159153619 https://nature.berkeley.edu/classes/eps2/wisc/pt.html

https://www.quora.com/Is-platinum-metal-very-reactive

http://www.rsc.org/periodic-table/element/78/platinum

encyclopedia2.thefreedictionary.com/Platinum+Ores

http://www.thejournalist.org.za/wp-content/uploads/2014/09/Environmental-health-impacts-of-platinum-mining1.pdf

I forgot about this and went back on my history and tried to find as many as possible. but dont think i found them all. sorry




]]> 2017-03-09 23:18:00 UTC https://padlet.com/ROW1E/525vbjsbmy5w/wish/159153619 reactivity in platinum ROW1E https://padlet.com/ROW1E/525vbjsbmy5w/wish/159153664 Platinum is know as a noble metal which means it is nonreactive. Platinum is so stable that it cannot even be attacked by most acids. platinum will react with with fluorine and, at red heat, with chlorine.]]> 2017-03-09 23:18:43 UTC https://padlet.com/ROW1E/525vbjsbmy5w/wish/159153664 where platinum is found ROW1E https://padlet.com/ROW1E/525vbjsbmy5w/wish/159154124 platinum is found as an ore underground in the Ural mountains, Columbia and the western united states.]]> 2017-03-09 23:24:16 UTC https://padlet.com/ROW1E/525vbjsbmy5w/wish/159154124 Some Platinum Uses ROW1E https://padlet.com/ROW1E/525vbjsbmy5w/wish/159154169 Platinum is used for jewelry, its main use is in catalytic converters for cars, trucks and buses. Platinum is used in the chemicals industry as a catalyst for the production of nitric acid, silicone and benzene. It is also used as a catalyst to improve the efficiency of fuel cells.]]> 2017-03-09 23:24:51 UTC https://padlet.com/ROW1E/525vbjsbmy5w/wish/159154169 impacts of platinum mining of the environment ROW1E https://padlet.com/ROW1E/525vbjsbmy5w/wish/159154771 the impacts of platinum mining is dust, co2 emissions, water consumption and many more. Platinum as a metal is not very dangerous, but platinum salts can cause several health effects these are some - DNA alterations, Cancer, Allergic reactions of the skin and the mucous membrane and Damage to organs


]]> 2017-03-09 23:33:43 UTC https://padlet.com/ROW1E/525vbjsbmy5w/wish/159154771 ROW1E https://padlet.com/ROW1E/525vbjsbmy5w/wish/159155388 By Fletcher Rowe]]> 2017-03-09 23:42:25 UTC https://padlet.com/ROW1E/525vbjsbmy5w/wish/159155388