Sonnabend,+Jordan

Uranium



1s2 2s2 2p6 3s23p6 3d10 4s2 4p6 4d10 4f1 5s2 5p6 5d10 5f3 6s2 6p6 6d1 7s2
 * Symbol: U
 * Atomic number: 92
 * Protons: 9
 * Neutrons: 146
 * Electrons: 92
 * Atomic mass: 238.03
 * Standard state: solid at 298 K
 * CAS Registry ID: 7440-61-1
 * Group name: Actinoid
 * <span style="font-family: 'Arial Black',Gadget,sans-serif;">Period in periodic table: 7
 * <span style="font-family: 'Arial Black',Gadget,sans-serif;">Block in periodic table: f-block
 * <span style="font-family: 'Arial Black',Gadget,sans-serif;">Color: Metallic grey
 * <span style="font-family: 'Arial Black',Gadget,sans-serif;">Classification: Metallic
 * <span style="font-family: 'Arial Black',Gadget,sans-serif;">Melting point: 1405.3 K [or 1132.2 °C (2070 °F)]
 * <span style="font-family: 'Arial Black',Gadget,sans-serif;">Boiling point: 4200 K [or 3900 °C (7101 °F)]
 * <span style="font-family: 'Arial Black',Gadget,sans-serif;">Density of solid: 19050 kg m-3
 * <span style="font-family: 'Arial Black',Gadget,sans-serif;">Valence electrons: 6
 * <span style="font-family: 'Arial Black',Gadget,sans-serif;">Discoverer: Martin Heinrich Klaproth
 * <span style="font-family: 'Arial Black',Gadget,sans-serif;">Where it was discovered: Germany
 * <span style="font-family: 'Arial Black',Gadget,sans-serif;">Compound found in: Uranium tetrachloride
 * <span style="font-family: 'Arial Black',Gadget,sans-serif;">Chemical reactions: Uranium reacts with tons of elements to start fires or put them out.
 * <span style="font-family: 'Arial Black',Gadget,sans-serif;">Cost: 42.75 per pound
 * <span style="font-family: 'Arial Black',Gadget,sans-serif;">Commercial use: Used in nuclear reactors as a source of energy (Fission) and also used in many military weapons or weaponry
 * <span style="font-family: 'Arial Black',Gadget,sans-serif;">Where found: Uranium is found everywhere on the earth. it can even be found in topsoil
 * <span style="font-family: 'Arial Black',Gadget,sans-serif;">Chemical properties: Uranium is radioactive
 * <span style="font-family: 'Arial Black',Gadget,sans-serif;">Unusial facts: Uranium is used in reactors to make energy and in weapons for the military in the use of nuclear warfare. Uranium is also 30 times more plentyful than silver.
 * <span style="font-family: 'Arial Black',Gadget,sans-serif;">Orbital notation:[[image:lvscience/bohrmodel.jpg width="379" height="380" align="right"]]

<span style="font-family: 'Arial Black',Gadget,sans-serif;">Jefferson Lab: //<span style="font-family: 'Arial Black',Gadget,sans-serif;">Jefferson Lab. Thomas Jefferson National Accelerator Facility - Office of Science Education, n.d. Web. 4 Mar. 2013. <http://education.jlab.org/itselemental/ele092.html>. // <span style="font-family: 'Arial Black',Gadget,sans-serif;">Web Elements: //<span style="font-family: 'Arial Black',Gadget,sans-serif;">Web Elements. Mark Winter, 1993. Web. 4 Mar. 2013. <http://www.webelements.com/uranium/>. // <span style="font-family: 'Arial Black',Gadget,sans-serif;">Interactives: //<span style="font-family: 'Arial Black',Gadget,sans-serif;">Interactives. Annenberg Foundation, 2013. Web. 4 Mar. 2013. <http://www.learner.org/interactives/ periodic/periodic_table.html>. //