https://padlet.com/CylerBorelli/whewz9gz0ii7 Made from a NOOB en-us 2017-11-01 16:28:44 UTC 2017-11-03 14:39:34 UTC hello@padlet.com CylerBorelli https://padlet.com/CylerBorelli/whewz9gz0ii7/wish/202594361 IIridium is a yellowish-white and is not affected by acids,bases or most strong chemicals. It was discovered in 1803 from the chemist, Smithson Tennant. Iridiums discovery has an orgin very similar to that of Osmium. Scientists dissolved platinum in aqua regia, only to find a dark a dark residue that resembled graphite. Tennant discovered the residue to contain osmium and iridium. He published his work and officially names both elements in 1804

]]> 2017-11-01 16:31:43 UTC https://padlet.com/CylerBorelli/whewz9gz0ii7/wish/202594361 CylerBorelli https://padlet.com/CylerBorelli/whewz9gz0ii7/wish/203305238 Ir, atomic number of 77, mass=192.217]]> 2017-11-03 14:24:50 UTC https://padlet.com/CylerBorelli/whewz9gz0ii7/wish/203305238 CylerBorelli https://padlet.com/CylerBorelli/whewz9gz0ii7/wish/203306375 Iridium generally is produced commercially along with the other metals. You can find it in South America, Alaska, Brazil and Russia. Its class is metal. It belongs in the transition family. ]]> 2017-11-03 14:26:47 UTC https://padlet.com/CylerBorelli/whewz9gz0ii7/wish/203306375 CylerBorelli https://padlet.com/CylerBorelli/whewz9gz0ii7/wish/203308496 I think Iridium is important beacause the only thing that is mostly used for is hardening, but i think it will be used for more things in the future ]]> 2017-11-03 14:30:31 UTC https://padlet.com/CylerBorelli/whewz9gz0ii7/wish/203308496 CylerBorelli https://padlet.com/CylerBorelli/whewz9gz0ii7/wish/203310310 Melting Point=4.436°F, Boiling point=7,466, Density=22.65, Abundance in Earth=4×10-8]]> 2017-11-03 14:33:49 UTC https://padlet.com/CylerBorelli/whewz9gz0ii7/wish/203310310