Radium

(Ra)

Background History

Radium was discovered by Marie Curie and her husband Pierre Curie. They foudn in North Bohemia, they noticed how radioactive the pitchblende was. they though there might be a radioactive element in it. They were right, they had just discovered Radium.

How is it used?

Radium is used to treat cancer mainly, it is used also to treat ankylosing spondylitis(arthritis).

Important facts to know...

Radium was officially isolated in 1911.

Radium can be found in New Mexico, Ontario, and Australia.

Radium is extremely radioactive.

Elemental Information

Atomic Number: 88

Atomic Symbol: Ra

Atomic Mass: 226 atomic units

Atomic Radius: 283 pm

Density: 5g

Melting Point: 700 C

Boiling Point: 1737 C

State of Matter: Solid at room temperature

Atomic Structure

Protons: 88

Electrons: 88

Neutrons: 138

SOURCES

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Radioactivity


Y. B. (n.d.). Chemical Elements.com - Radium (Ra). Retrieved March 21, 2016, from http://www.chemicalelements.com/elements/ra.html


Periodic Table of Elements: Los Alamos National Laboratory. (n.d.). Retrieved March 21, 2016, from http://periodic.lanl.gov/88.shtml


Radium. (n.d.). Retrieved March 21, 2016, from http://www.3rd1000.com/elements/Radium.html


S. G. (n.d.). The Element Radium. Retrieved March 21, 2016, from http://education.jlab.org/itselemental/ele088.html


88 - Radium - Ra. (n.d.). Retrieved March 22, 2016, from https://www.hobart.k12.in.us/ksms/PeriodicTable/radium.htm


Staff, B. L. (2013). Facts About Radium. Retrieved March 22, 2016, from http://www.livescience.com/39623-facts-about-radium.htmlRadium. (n.d.). Retrieved March 22, 2016, from https://en.m.wikipedia.org/wiki/Radium


Science for all. (n.d.). Retrieved March 22, 2016, from http://science-all.com/files/marie-curie.html