Tag Archives: Copper

(Atomic number) 29 (Copper – Cu)

The name copper is derived from Latin word cuprium which refers to island of Cyprus where ore deposits were found thousands of years ago.  Common uses include coins, sculpture and conductor of electricity. Melting point     1083 Celsius Boiling point      2567 Celsius Copper has 29 electrons and 29 protons.  “In nature it has two isotopes, 63 [...]

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97 (percent)

From Reuters on 7/1/11… “Antimicrobial copper surfaces in intensive care units (ICU) kill 97 percent of bacteria that can cause hospital-acquired infections, according to preliminary results of a multisite clinical trial in the United States. “The study, presented at the World Health Organization’s 1st International Conference on Prevention and Infection Control (ICPIC) in Geneva, Switzerland, [...]

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  • Countdown to Powers of Ten Day

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