Greenwood School, Toronto, Ontario, Canada
Liz Greflund, Greenwood College School, Toronto, Ontario, Canada
Atomic properties*
Name:
Platinum
Symbol:
Pt
Atomic
number:
78
Atomic
mass:
195.08
amu
Melting
point:
1768.2°C
Boiling
point:
3825°C
Density:
21.5
g/cm3
Electronegativity:
2.2
#
of
Isotopes:
6
State:
Solid
Colour:
Silvery-white**
Classification:
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/