Yocto- (y) is the smallest SI-prefix, representing 10−24.
1ym = 0,000000000000000000000001 meters
thou (th) = 0.0000254 meters
fluid ounce (fl oz) = 28.4130625 milliliters
grain (gr) = 0.06479891 grams
Have a crack at SI in Wikipedia.org
Other small units are a Chronon which is about 7x10(-24) seconds;
or Planck Time which is about 6x10(-44) seconds.
The smallest unit on the Celsius thermometer is 1 degree Celsius.
The word Atom was used many years ago to describe the smallest size anything could be. There have been several changes since then. The smallest unit these days is described as something so small that no-one can see it no mater how hard they look. In scientific notation it is written as 0.000 000 000 000 0001 or a picolitre
The smallest unit of electric charge that occurs in ordinary matter is the charge of an electron, which is approximately -1.6 x 10^-19 coulombs.
a mole in the term of molar mass which measures subatomic particles. stated as gram per mole
The smallest unit of measurement used to describe the storage capacity of a computer is called a bit. It is a binary digit that can represent either a 0 or a 1, and is the basic building block of all digital data.
The smallest unit is a quark. I'm not sure what you mean by 'of classification'
If it is a molecular compound, the smallest unit is called a molecule. If it is an ionic compound, the smallest unit is called a formula unit.
Alyssa Carney is the smallest unit of mass.
A molecule is a compounds smallest unit
This smallest unit is the atom.
A cell is the smallest unit of an organism
Smallest unit of a compound is a molecule.
the smallest unit that can cary on life is cell.
The smallest unit in which evolution occurs is a population.
The smallest unit of speech is a phoneme (see dictionary).
The smallest unit an image can be broken down into is a pixel.
The cell is the smallest unit of life. It is the basic structural and functional unit of all living organisms.