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Multiple Choice

What term describes the use of materials at molecular scale that can be hazardous?

Nanotechnology focuses on using and manipulating materials at the nanoscale, roughly 1 to 100 nanometers. At this tiny scale, substances can exhibit different properties and behaviors, including increased reactivity and the ability to interact with biological systems in new ways. Those unique characteristics can introduce potential hazards, so the term specifically describes both the use and application of materials at molecular scales where safety considerations become important. By contrast, molecular engineering centers on designing individual molecules, biotechnology involves living organisms or systems, and nanoscience is the study of nanoscale phenomena itself rather than the applied use.

Nanotechnology focuses on using and manipulating materials at the nanoscale, roughly 1 to 100 nanometers. At this tiny scale, substances can exhibit different properties and behaviors, including increased reactivity and the ability to interact with biological systems in new ways. Those unique characteristics can introduce potential hazards, so the term specifically describes both the use and application of materials at molecular scales where safety considerations become important. By contrast, molecular engineering centers on designing individual molecules, biotechnology involves living organisms or systems, and nanoscience is the study of nanoscale phenomena itself rather than the applied use.