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Nano (symbol n) is a unit prefix meaning one billionth. Used primarily with the metric system, this prefix denotes a factor of 10 −9 or 0.000 000 001.
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Sep 19, 2013 · The word nano is from the Greek word 'Nanos' meaning Dwarf. It is a prefix used to describe "one billionth" of something. A nanometre (nm) is a billionth of a metre, or a millionth of a millimetre. 1 nanometre is about 8 times the radius of an atom and 100 times smaller than a bacterial cell.
May 12, 2024 · Describe how prefixes are used in the metric system. Identify how the metric prefixes nano, micro, milli-, centi-, deci, and kilo- compare to the base unit. Many aspects of chemistry use quantitative measurements to describe properties of matter.
The prefix “nano” comes from the Greek word for “dwarf” and simply means one billionth. So, while one centimeter (about ½ an inch) is 1/100 of a meter, a nanometer (1 nm) is one-billionth of a meter — or 1/1,000,000,000 of a meter, the size of a single small molecule.
Aug 1, 2006 · However, nano has also long been used as a prefix in scientific circles to mean 1 billionth (using billion in its American sense of a one followed by nine zeros). So we have the term ‘nanometre’ meaning 1 billionth of a metre. A nanometre is exceedingly small—only ∼10 atoms across.
