A particle of matter contains six protons, seven neutrons, and six electrons. This particle must be a 1. neutral carbon atom
2. neutral nitrogen atom
3. positively charged carbon ion
4. positively charged nitrogen ion

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.