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The nanometre is often used to express dimensions on an atomic scale and mostly in the molecular scale. The nanometre (international spelling as used by the International Bureau of Weights and Measures ; SI symbol: nm), or nanometer ( American spelling ), is a unit of length in the International System of Units (SI), equal to one billionth ...
The nanometre is often used to express dimensions on an atomic scale and mostly in the molecular scale. The nanometre (international spelling as used by the International Bureau of Weights and Measures; SI symbol: nm), or nanometer (American spelling), is a unit of length in the International System of Units (SI), equal to one billionth (short ...
The table usually lists only one name and symbol that is most commonly used. The final column lists some special properties that some of the quantities have, such as their scaling behavior (i.e. whether the quantity is intensive or extensive ), their transformation properties (i.e. whether the quantity is a scalar , vector , matrix or tensor ...
nM: 5 nM: inhaled osmium tetroxide is immediately dangerous to life or health (1 mg Os/m 3) [13] 10 −8: 10 −7: 101 nM: hydronium and hydroxide ions in pure water at 25 °C (pK W = 13.99) [14] 10 −6: μM: 10 −5: 10 −4: 180–480 μM: normal range for uric acid in blood [10] 570 μM
The table at right is based on the kilogram (kg), the base unit of mass in the International System of Units . The kilogram is the only standard unit to include an SI prefix (kilo-) as part of its name. The gram (10 −3 kg) is an SI derived unit of mass.
One nanometer (nm) is one billionth, or 10 −9, of a meter. By comparison, typical carbon–carbon bond lengths, or the spacing between these atoms in a molecule, are in the range 0.12–0.15 nm, and DNA's diameter is around 2 nm. On the other hand, the smallest cellular life forms, the bacteria of the genus Mycoplasma, are
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The nanometre (SI symbol: nm) is a unit of length in the metric system equal to 10 −9 metres ( 1 / 1 000 000 000 m = 0. 000 000 001 m). To help compare different orders of magnitude , this section lists lengths between 10 −9 and 10 −8 m (1 nm and 10 nm).