Ruthenium


 * Element**: Ruthenium


 * Element Symbol**: Ru


 * Atomic Mass**: 101[[image:RutheniumLeo.png width="216" height="288" align="right"]]


 * Atomic Number**: 44


 * Protons:** 44


 * Electrons**: 44


 * Discovery**: Russian scientist named Karl Klaus,1844.


 * How It Was Named**: It is named after Ruthenia, a latin word for Rus.


 * State of matter**: Solid


 * Melting Point**: 2334°C


 * Boiling Point**: 4150°C


 * Characteristics**:
 * Hard, white metal
 * Does not tarnish at room temperature


 * Uses Of Element**:
 * Hardener for platinum
 * Jewelry


 * Interesting Facts**:
 * Ruthenium is used to increase the stability of gold in jewelry.
 * It is in the platinum group.

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