The electronic configuration of elements X, Y and Z are as follows: X=2,8 Y= 2, 8,7 Z= 2,1 What would be the chemical formula of the ionic compound formed? A. XZ B. ZY C. XY D. Z2Y

How is electrolysis most commonly used to produce an energy source? a - splitting water molecules produces oxygen, which organisms breathe to fuel their bodies. b - splitting water molecules produces hydrogen gas, which is used to power machines through hydrogen fuel cells. c - splitting carbon dioxide molecules produces coal, a form of carbon that can be burned to produce heat. d - splitting carbon dioxide molecules produces natural gas, which can be burned to generate electricity in power plants.