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a substance that improves the efficiency of a catalyst is called a promoter.
a chemical reaction where two molecules combine to form one single molecule. The elimination of...
a group of metallic elements that have two electrons in their outer shells and react easily with...
when energy is added to an electron in the lowest energy state (the ground state) and it jumps...
the energy liberated when an electron is added to an isolated, neutral atom in the gaseous state...