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.
When trading in aluminum, feel free to crush the cans ahead of time to save space. What is the Average Price for Aluminum Per Pound. Because the price of aluminum fluctuates so much, itâs helpful to know what a historical average is to make things easier. Over the last 30 years, the average price of aluminum has been about 81 cents per pound. The data I used came from United States Geological Survey (USGS.gov).