Which metal ion produces the light with the highest energy level

Why doesn't heat added to water make the tempature rise above 100c

Analyze how limestone is weathered and identify the features that are formed as a result of this dissolution

Which best describes the activation energy of a chemical reaction? a. the combined energy of all the reactants b. the amount of energy required for a reaction to occur c. the difference in energy between products and reactants d. the potential energy stored in the bonds of reactants and products