Neptunium by Jacob Smith https://padlet.com/smith_jacob/lljj5gdr7q4n By: Jacob Smith en-us 2016-11-30 16:25:39 UTC 2016-12-01 16:25:12 UTC hello@padlet.com smith_jacob https://padlet.com/smith_jacob/lljj5gdr7q4n/wish/140868577 Element Name: Neptunium 
Atomic Mass: 237 u
Atomic Number: 93
Symbol: Np

]]> 2016-11-30 16:33:10 UTC https://padlet.com/smith_jacob/lljj5gdr7q4n/wish/140868577 When Neptunium was discovered and who found it smith_jacob https://padlet.com/smith_jacob/lljj5gdr7q4n/wish/140868902 Discovered by Edwin McMillan
Discovered in 1940

]]> 2016-11-30 16:34:01 UTC https://padlet.com/smith_jacob/lljj5gdr7q4n/wish/140868902 Uses for Neptunium smith_jacob https://padlet.com/smith_jacob/lljj5gdr7q4n/wish/140871210 Spacecraft generators and terrestrial navigation beacons]]> 2016-11-30 16:39:23 UTC https://padlet.com/smith_jacob/lljj5gdr7q4n/wish/140871210 smith_jacob https://padlet.com/smith_jacob/lljj5gdr7q4n/wish/140873357 2016-11-30 16:43:53 UTC https://padlet.com/smith_jacob/lljj5gdr7q4n/wish/140873357 smith_jacob https://padlet.com/smith_jacob/lljj5gdr7q4n/wish/140873839
]]> 2016-11-30 16:44:52 UTC https://padlet.com/smith_jacob/lljj5gdr7q4n/wish/140873839 smith_jacob https://padlet.com/smith_jacob/lljj5gdr7q4n/wish/140873965
]]> 2016-11-30 16:45:09 UTC https://padlet.com/smith_jacob/lljj5gdr7q4n/wish/140873965 Period and Group smith_jacob https://padlet.com/smith_jacob/lljj5gdr7q4n/wish/140874322 Period: 7
Group: n/a, F-block]]> 2016-11-30 16:45:54 UTC https://padlet.com/smith_jacob/lljj5gdr7q4n/wish/140874322 Type and Isotopes smith_jacob https://padlet.com/smith_jacob/lljj5gdr7q4n/wish/140875335 Type: Metal
Isotopes:20 Radioisotopes]]> 2016-11-30 16:48:20 UTC https://padlet.com/smith_jacob/lljj5gdr7q4n/wish/140875335 smith_jacob https://padlet.com/smith_jacob/lljj5gdr7q4n/wish/141159525 Videos:
https://www.youtube.com/watch?v=1D75B0_URbE
https://www.youtube.com/watch?v=-5GbBddJk7Q

Websites: 
http://www.rsc.org/periodic-table/element/93/neptunium
http://www.chemicool.com/elements/neptunium.html

]]> 2016-12-01 16:18:09 UTC https://padlet.com/smith_jacob/lljj5gdr7q4n/wish/141159525 Chemical and Physical Property smith_jacob https://padlet.com/smith_jacob/lljj5gdr7q4n/wish/141161087 Chemical properties: A melting point of 640°C (1,180°F) and a density of 20.45 grams per cubic centimeter.

Physical properties: A solid, silvery white metal

]]> 2016-12-01 16:21:28 UTC https://padlet.com/smith_jacob/lljj5gdr7q4n/wish/141161087 Electron Configuration smith_jacob https://padlet.com/smith_jacob/lljj5gdr7q4n/wish/141162499 [Rn] 5f4 6d1 7s2

]]> 2016-12-01 16:25:04 UTC https://padlet.com/smith_jacob/lljj5gdr7q4n/wish/141162499