Ruthenium

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Stouffville District Secondary School, Stouffville, Ontario, Canada

Ruthenium, 44, Stouffville District Secondary School, Stouffville ONRuthenium: Red, white, blue are colours of Ruthenia, (was originally blue and yellow until it was changed by Czech parliament). The Bohr model f atom and nesting dolls represent culture of Ruthenia. The jewellery and ball point pens represent uses of ruthenium; red also represents colours of ruthenium compounds, e.g. ruthenium chloride.

Andy Cherkas, Stouffville District Secondary School, Stouffville, Ontario, Canada

Atomic properties*

Name:

Symbol:

Atomic number:

Atomic mass:

Melting point:

Boiling point:

Density:

Electronegativity:

Number of isotopes:

State:

Colour:

Classification:

Ruthenium

Ru

44

101.07 amu

2334°C

4150°C

12.1 g/cm3

2.28

8

Solid

Silvery-white-metallic±

Metallic±

 

* Haynes, W. M. (2011). CRC Handbook of Chemistry and Physics, 91st edition: http://www.hbcponline.com/ Retrieved April 7, 2011

± Winter, M. (2010). Home of the Periodic Table. Retrieved April 8, 2011, from Web Elements: http://www.webelements.com/