The earth rotates (spins around) on its axis and revolves (orbits) the sun

How many neutrons does an element have if its atomic number is 50 and its mass number is 166

Chemical engineering who specializes in negotiating for large purchases and instructing customers in use of the products are

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.