2007-01-15 20:29:45 · 3 answers · asked by Anonymous in Education & Reference ➔ Teaching
Copper (IPA: /ˈkɒpə/) is a chemical element in the periodic table that has the symbol Cu (Latin: cuprum) and atomic number 29. It is a ductile metal with excellent electrical conductivity, and finds extensive use as an electrical conductor, thermal conductor, as a building material, and as a component of various alloys.
Copper is an essential nutrient to all higher plants and animals. In animals, it is found primarily in the bloodstream, as a cofactor in various enzymes, and in copper-based pigments. In sufficient amounts, copper can be poisonous or even fatal to organisms.
2007-01-15 23:23:59 · answer #1 · answered by 12evalution 2 · 0⤊ 0⤋
copper was Anaconda and when the mines were nationalized in south america my career was over
2007-01-16 05:29:01 · answer #2 · answered by bev 5 · 0⤊ 0⤋
i don't get you... why copper? what do you mean reaction? i thought copper is just a harmless metal....
2007-01-16 04:40:19 · answer #3 · answered by Ariel 3 · 0⤊ 0⤋