Gold
By: Taryn Brown
Element Introdution
Gold gets its English name from the German word for gold, gulþa. In old English, yellow was called geolu. In Latin, gold is called aurum so that is where the chemical symbol (Au) comes from.
Group: #11 Group name: none Period: #6
General Information
Atomic Number - 79
Atomic Mass - 197.0
Protons- 79 Electrons- 79 Neutrons- 118
Number of valence electrons - 1
Isotopes of the element - 1 stable isotope, between 18-59 unstable isotopes
< A Bohr model representing gold is pictured to the left
Physical Properties
Melting point - 1064.18 °C
Boiling point - 2856 °C
Density - 19.282 grams per cubic centimeter
Abundance in the earth’s crust - 4×10-3 milligrams per kilogram
Standard state of the element - Solid
Uses
Interesting Facts
I think it is interesting that gold can be used to treat cancer, especially bladder, cervix, and prostate.
Citations
"Periodic Table of Elements: Los Alamos National Laboratory." Periodic Table of Elements: Los Alamos National Laboratory. N.p., n.d. Web. 13 Oct. 2015. <http://periodic.lanl.gov/index.shtml>.
"Wikijunior:The Elements/Gold." - Wikibooks, Open Books for an Open World. N.p., n.d. Web. 13 Oct. 2015. <https://en.wikibooks.org/wiki/Wikijunior:The_Elements/Gold>.
"Gold Element Facts." Chemicool. N.p., n.d. Web. 13 Oct. 2015. <http://www.chemicool.com/elements/gold.html>.
Nave, R. "Gold." Hyperphysics. N.p., n.d. Web. 13 Oct. 2015. <http://hyperphysics.phy-astr.gsu.edu/hbase/pertab/au.html>.