Catalysis Terminology

noun a chemical compound containing an acetylide ion, typically a metal compound

• The acetylide ion is a negatively charged ion composed of a carbon atom and two hydrogen atoms.
• I heard that acetylide compounds are used in some types of chemical reactions.
• Don't mess with acetylide chemistry unless you know what you're doing.
• His words were like an acetylide, sparking a chain reaction of emotions within me.

noun a single atom that is chemically bonded to a surface, typically used in the study of surface reactions and catalysis

• The adatom on the surface of the material plays a crucial role in its catalytic activity.
• If you look closely, you can see the adatom sitting on top of the metal.
• I accidentally knocked over the beaker and the adatom went flying everywhere.
• The lone adatom stood out amongst the sea of atoms, much like a unique individual in a crowd.

noun a substance that is adsorbed onto the surface of another substance

• The adsorbate molecules were found to adhere to the surface of the material.
• The adsorbate stuck to the material's surface.
• The adsorbate latched onto the material.
• Like a magnet, the adsorbate was drawn to the material.