B. A chemical change has occurred and energy was given off
Hellium argon neon xenon krypton randon oxygen fluorine chlorine bromine
"Endothermic" is the way among the following choices given that you would <span>classify the following chemical reaction, in terms of energy. The correct option among all the options that are given in the question is the second option or option "B". I hope that the answer has come to your help.</span>
This is true i think if that is a question