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Question:

OMG PLEASE ANSWER THIS! what are the bad things about aluminum?

i have a major science project and i need to know something negative about aluminum,please please please help????!????!???

Answer:

Pure aluminum corrodes, at its surface, to compounds that are typically insoluble. In the presence of oxygen in air, aluminum oxides form which are poor conductors of electricity. These surface insulators are the reason we no longer use aluminum for electric wires in the US. The electrolysis process of converting bauxite to aluminum metal requires a large amount of electrical power. Aluminum, primarily because of the surface oxides discussed above, will corrode very slowly in the environment. Which is one part of the reason that it is beneficial to recycle aluminum. The other reason is that recycled aluminum can be made very pure and at a less cost than from the electrolysis process.
Aluminum does NOT contribute to Alzheimers.. That is a falacy that was de-bunked years ago.. Weak science put that one out there, and it was quickly proven incorrect. That is now an Urban Legend. Why some people still believe that is beyond me.. People had Alzheimers centuries before Aluminum was ever mined, or put in use for any application... That being said, the worst thing about aluminum, is that it needs to be mined, and that destroys the environment where the raw materials are found. More importantly, it takes a LOT of energy (electrical and fossil fuel) to convert those raw material into Aluminum...
Well, though aluminium is a good conductor of heat and electricity and resists corrosion, it has a considerably low density, making pure aluminium impractical for conducting wires to carry national electricity (it is often cored with a denser metal when used for this purpose). Furthermore, it is not very tough or strong, and is extremely expensive to extract (it is extracted from its ore, bauxite, by electrolysis at very high temperatures).
a bad conductor of electricity, corrodes easy by acids unless painted, ummm mmm,I think the melting point is lower than other metals except of course mercury.
One important structural limitation of aluminium alloys is their low fatigue strength. Sensitivity to heat. It melts at a low temp and does not show warning signs first, like glowing red.

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