The hydronium ion is a polyatomic ion that forms when an acid releases a proton (H+) to a water molecule.he hydronium ion is a polyatomic ion that forms when an acid releases a proton (H+) to a water molecule.
Aluminum is a valuable metal that can be sold back into the economy, even in the form of scrap. Currently, scrap aluminum cans are selling at a little over .60 cents a pound. The Amount the person recycling can receive is usually .20 below the trading price.
The price of aluminum fluctuates greatly in Illinois depending on the market demand for it, and where the aluminum comes from. Generally, aluminum cans bring less than aluminum from cars. Prices range from .50 per pound to almost $3.00 per pound.