https://padlet.com/hannahjcollier/qdbrrbw8oomq chromium en-us 2017-10-31 16:08:21 UTC 2017-11-08 16:32:57 UTC hello@padlet.com hannahjcollier https://padlet.com/hannahjcollier/qdbrrbw8oomq/wish/202214453 Chromium was discovered by Louis-Nicholas Vauquelin while experimenting with a material known as Siberian red lead, also , in 1797. ]]> 2017-10-31 16:08:53 UTC https://padlet.com/hannahjcollier/qdbrrbw8oomq/wish/202214453 hannahjcollier https://padlet.com/hannahjcollier/qdbrrbw8oomq/wish/202217785 Symbolic: CR
Atomic Number: 24
Atomic Mass:  51.996
 Melting Point: 907°C or 3465°F)
Boiling Point: 2671°C or 4840°F
Density:  7.15 grams per cubic centimeter

]]> 2017-10-31 16:14:50 UTC https://padlet.com/hannahjcollier/qdbrrbw8oomq/wish/202217785 hannahjcollier https://padlet.com/hannahjcollier/qdbrrbw8oomq/wish/202220199 Chromium is not found as a free element in nature but is found in the form of ores.
Compound: It is the first element in Group 6. 
Class: Metal
Family: Alkali Metal ]]> 2017-10-31 16:20:25 UTC https://padlet.com/hannahjcollier/qdbrrbw8oomq/wish/202220199 hannahjcollier https://padlet.com/hannahjcollier/qdbrrbw8oomq/wish/202224868 Abundance in Earth's Crust: 0.014%
Isotopes: ⁵⁰Cr, ⁵²Cr, ⁵³Cr, and ⁵⁴Cr with ⁵²Cr ]]> 2017-10-31 16:30:24 UTC https://padlet.com/hannahjcollier/qdbrrbw8oomq/wish/202224868 hannahjcollier https://padlet.com/hannahjcollier/qdbrrbw8oomq/wish/202227797 Chromium is used to harden steel, manufacture stainless steel, prevents corrosion, and creates beautiful surfaces. ]]> 2017-10-31 16:36:45 UTC https://padlet.com/hannahjcollier/qdbrrbw8oomq/wish/202227797 hannahjcollier https://padlet.com/hannahjcollier/qdbrrbw8oomq/wish/202231523 https://www.youtube.com/watch?v=lzRb4zmGvNU]]> 2017-10-31 16:44:07 UTC https://padlet.com/hannahjcollier/qdbrrbw8oomq/wish/202231523 hannahjcollier https://padlet.com/hannahjcollier/qdbrrbw8oomq/wish/202231959 https://www.youtube.com/watch?v=G0HQ5czhUQ0]]> 2017-10-31 16:44:56 UTC https://padlet.com/hannahjcollier/qdbrrbw8oomq/wish/202231959 hannahjcollier https://padlet.com/hannahjcollier/qdbrrbw8oomq/wish/202232699 2017-10-31 16:46:14 UTC https://padlet.com/hannahjcollier/qdbrrbw8oomq/wish/202232699 hannahjcollier https://padlet.com/hannahjcollier/qdbrrbw8oomq/wish/202234182 https://education.jlab.org/itselemental/ele024.html
http://www.rsc.org/periodic-table/element/24/chromium
http://www.chemistryexplained.com/elements/A-C/Chromium.html]]> 2017-10-31 16:49:04 UTC https://padlet.com/hannahjcollier/qdbrrbw8oomq/wish/202234182 hannahjcollier https://padlet.com/hannahjcollier/qdbrrbw8oomq/wish/204903727  <img src="http://www.periodictable.com/Samples/024.11/s13.JPG" alt="Image result for chromium pics"/>]]> 2017-11-08 16:28:04 UTC https://padlet.com/hannahjcollier/qdbrrbw8oomq/wish/204903727 hannahjcollier https://padlet.com/hannahjcollier/qdbrrbw8oomq/wish/204904176 Basically to sum up the element Chromium, it's the first element in Group 6. It is a steely- grey, hard, and brittle metal. It has many uses.]]> 2017-11-08 16:28:41 UTC https://padlet.com/hannahjcollier/qdbrrbw8oomq/wish/204904176