A 205.17 g sample of a solid is broken down into 120.55 g of aluminum and an unknown amount of oxygen. If a chemist wants to make 1,937 g of that solid without any leftovers, how much aluminum and oxygen should she react together?__

Which of the following pairs of elements belong to the same groupa. h and he b. li and bec. c and pb d. ga and ge

What percentage of energy used in the u.s is produced from fossil fuels

The concentration of ionic substances is important for the heart to beat. your heart responds to electrical impulses that travel through heart cells that are made up mostly of water. which properties of ionic compounds are important to support this function? solubility in water conductivity crystalline melting point