OK my daugther and i have one mostof her sheets and we have a couple of questions that she doest understand and i dont have a clue so please help me:)
here we go...
1,what is the abundance of aluminium
2,why were only 7 metals known untill approx 1800 ad
3, why do metals excist as ores(explain in a bit of detail please)
thanks :)
2007-10-18 08:15:34 · 1 answers · asked by kt 2 in Science & Mathematics ➔ Chemistry
Answer to #1:
http://en.wikipedia.org/wiki/Abundances_of_the_elements_%28data_page%29
Answer to #2:
her textbook may cover this?
Answer to #3:
Except a few very innert ones like gold, many metals are very reactive. In a harsh environment with water, oxygen, etc. metals would react to form very stable chemicals. These chemicals are named as ores.
2007-10-19 13:47:47 · answer #1 · answered by Hahaha 7 · 0⤊ 0⤋