The phrase "metal atoms" refers to individual particles of metal that make up a solid piece of metal. These atoms have special characteristics that make them malleable, conductive, and shiny. Full definition
These structural aspects of metals would seem to imply the existence of metal atoms as a freestanding 2D material is unlikely. (sciencedaily.com)
The material is magnetic because it contains metal atoms that themselves act like tiny bar magnets. (treehugger.com)
Polymers, or plastics, which feature metal atoms in their structure have been a focus of much research in recent decades, and have found application in self - healing materials, photovoltaic technology, and information storage. (sciencedaily.com)