10/26/09

Copper(Cu)


COPPER
webelements.com

physical properties

Boiling point :4,653ºf(2,567ºc)
Melting point: 1,981ºf(1,083ºc)
Density:8.96

Background (where does this element come from ? )

Copper is found throughout the universe, the metal exsits in meteorites that reach earth from space.Copper is to have formed and then been seattered by the nuclelar reaction that occur in exploding star called the Super Nova. Copper is used for decorative ortaments to hang on christmas trees also its used to make jewerly and pennies. Copper has unusal arragment of electrons compared to most other elements each copper atom has negatively charged electrons. The number of electrons and protons is always the same. So copper has 29 postively charged protons in the nucleus.



By SAVON RODRIGUES

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