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 scrap copper rose considerably in November 2016, from a low of $2.20 per pound on November 1 to a high of $2.67 per pound on November 11, finishing out the month close to $2.60 per pound. 6 Month Historical Copper Prices (June through November 2016)