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Which of the following was the first form of social media?
Oxidation Number
An indicator of how much an atom in a substance has been oxidized, shown by the quantity of electrons it has either gained or lost.
Reaction
A reaction involves the transformation of one or more substances into different substances through the breaking and forming of chemical bonds.
Exothermic
An exothermic reaction is a chemical reaction that releases heat and energy to its surroundings.
Activation Energy
Activation energy is the minimum quantity of energy which the reacting species must possess in order to undergo a specified reaction.
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