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.
Copper prices vary on a daily basis. As of early June 2011, Copper Scrap Prices are around $3.75 per pound for clean, prepared, stripped, no insulation, copper scrap. Other gr â¦ ades of copper scrap that are not prepared or have insulation will net you less at the scrap yard.rass scrap metal prices for late June 2011 are: Red Brass $1.95 per pound Yellow Brass $1.80 per pound Irony Brass $0.40 per pound These are some average prices from â¦ across the United States.