Based on its chemical properties, identify the position of each chemical family on the periodic table.

In an oxidation-reduction reaction, oxidation is what happens when a reactant

50 pts plz what is the physical state of matter of baking soda.

An electron moved from shell n = 2 to shell n = 1. what most likely happened during the transition? a fraction of a photon was added. a photon of energy was absorbed. a fraction of a photon was removed. a photon of energy was released.