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- Dictionarymole/məʊl/
noun
- 1. a small burrowing mammal with dark velvety fur, a long muzzle, and very small eyes, feeding mainly on worms, grubs, and other invertebrates. Similar
- 2. a spy who gradually achieves an important position within the security defences of a country: "a well-placed mole was feeding them the names of operatives" Similar
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1 mole is defined as the amount (mass) of a substance that contains the same number of elementary entities (atoms, molecules or ions) as there are atoms in 12.000 g of C 12 isotope of carbon.
In the field of chemistry, a mole is defined as the amount of a substance that contains exactly 6.02214076 * 1023 ‘elementary entities’ of the given substance. The number 6.02214076*10 23 is popularly known as the Avogadro constant and is often denoted by the symbol ‘N A ’.
Jun 5, 2024 · mole, in chemistry, a standard scientific unit for measuring large quantities of very small entities such as atoms, molecules, or other specified particles. The mole designates an extremely large number of units, 6.02214076 × 10 23.
1. : any of numerous burrowing insectivores (especially family Talpidae) with tiny eyes, concealed ears, and soft fur. 2. : one who works in the dark. 3. : a machine for tunneling. 4. : a spy (such as a double agent) who establishes a cover long before beginning espionage. broadly : one within an organization who passes on information. mole. 3 of 6
Jun 2, 2021 · What Is a Mole? Like all units, a mole has to be defined or else based on something reproducible. The present definition of the mole is defined, but it used to be based on the number of atoms in a sample of the isotope carbon-12.
a person who works for an organization or government and secretly gives information to its competitor or enemy: A mole inside the Department had leaked secret proposals to the press.
Jun 25, 2014 · The mole is the S unit for quantity that is exactly 6.022 x 10^23 particles. In chemistry, a mole is an SI base unit for quantity. Despite the name, it has nothing to do with the small brown/gray garden pest or the tasty chocolate sauce on Mexican food. The mole unit describes the amount or number of things.
Mole definition: any of various small insectivorous mammals, especially of the family Talpidae, living chiefly underground, and having velvety fur, very small eyes, and strong forefeet. See examples of MOLE used in a sentence.
a person who works for an organization or government and secretly gives information to its competitor or enemy: A mole inside the Department had leaked secret proposals to the press.
Jul 3, 2019 · A Mole is defined as a chemical unit, defined to be 6.022 x 10 23 (Avogadro's Constant) entities. In science, this is usually molecules or atoms . The mass of a mole is the gram formula mass of a substance.
