The BEST way to determine if a newly discovered element belongs in the same group of the periodic table as lithium (Li), sodium (Na), and potassium (K)
would be to learn about its —

A. chemical symbol
B. melting point
c. reaction with chlorine
d. atomic mass

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.