Element Thorium by gina

Element Thorium by gina https://padlet.com/sinclair_gina/dlk75v2wp6tf This is Element 90 known as Thorium en-us 2016-12-01 14:36:35 UTC 2025-09-25 09:42:06 UTC hello@padlet.com This is 90 on the Periodic Table. It's Also Thorium and lets learn more about this Element. sinclair_gina https://padlet.com/sinclair_gina/dlk75v2wp6tf/wish/141115638 This Element atomic number is 90.
It's atomic mass is known as 232.03806 u ± 0.00002 u .
And it's Symbol or for short Th.

]]> 2016-12-01 14:41:38 UTC https://padlet.com/sinclair_gina/dlk75v2wp6tf/wish/141115638 Then In 1828 Thorium was found by Jöns Jacob Berzelius, a Swedish chemist. sinclair_gina https://padlet.com/sinclair_gina/dlk75v2wp6tf/wish/141118915 The Period for this element is 7.
A cool thing about this is that the Group and Family are the same thing Actinide]]> 2016-12-01 14:49:17 UTC https://padlet.com/sinclair_gina/dlk75v2wp6tf/wish/141118915 Uses - Thorium is also used to coat tungsten filaments used in electronic devices, such at television sets. sinclair_gina https://padlet.com/sinclair_gina/dlk75v2wp6tf/wish/141383663 Thorium is a naturally occurring radioactive metal found at trace levels in soil, rocks, water, plants and animals.]]> 2016-12-02 14:22:44 UTC https://padlet.com/sinclair_gina/dlk75v2wp6tf/wish/141383663 Thorium's Electron Configuration is Rn 6d2 7s2. Th is an isotope of thorium whose nuclei contain 144 neutrons. sinclair_gina https://padlet.com/sinclair_gina/dlk75v2wp6tf/wish/141385446 Electronegativity according to Pauling is 1.3
Density would be 11.72 g.cm-3 at 20°C
Melting point is 1750 °C
Boiling point is 4790 °C]]> 2016-12-02 14:27:07 UTC https://padlet.com/sinclair_gina/dlk75v2wp6tf/wish/141385446 It can be hammered, rolled, bent, cut, shaped, and welded rather easily. sinclair_gina https://padlet.com/sinclair_gina/dlk75v2wp6tf/wish/141386875 Their are both natural and man made versions of Thorium.]]> 2016-12-02 14:30:59 UTC https://padlet.com/sinclair_gina/dlk75v2wp6tf/wish/141386875 And here are some webiste to give more info. sinclair_gina https://padlet.com/sinclair_gina/dlk75v2wp6tf/wish/141387809 http://education.jlab.org/itselemental/ele090.html

http://www.chemistryexplained.com/elements/T-Z/Thorium.html

]]> 2016-12-02 14:33:29 UTC https://padlet.com/sinclair_gina/dlk75v2wp6tf/wish/141387809 sinclair_gina https://padlet.com/sinclair_gina/dlk75v2wp6tf/wish/141394768 2016-12-02 14:51:00 UTC https://padlet.com/sinclair_gina/dlk75v2wp6tf/wish/141394768