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mol

/məʊl/ /mol/

Meanings
noun
In the International System of Units, the base unit of amount of substance; the amount of substance of a system which contains as many elementary entities (atoms, ions, molecules, etc.) as there are atoms in 0.012 kg of carbon-12. Symbol: mol. The number of atoms is known as Avogadro’s number.

Examples :

"The chemist needed 2.5 mol of sodium chloride for the experiment. "
amount substance unit chemistry physics science element

Related Words

Illustration experiment

experiment noun

/ɛk.ˈspɛ.ɹɪ.mənt/ /ɪk.ˈspɛɹ.ə.mənt/

A test under controlled conditions made to either demonstrate a known truth, examine the validity of a hypothesis, or determine the efficacy of something previously untried.

"The science teacher conducted an experiment to demonstrate how plants grow in different types of soil. "

Illustration carbon

carbon noun

/ˈkɑɹbən/

The chemical element (symbol C) with an atomic number of 6. It can be found in pure form for example as graphite, a black, shiny and very soft material, or diamond, a colourless, transparent, crystalline solid and the hardest known material.

"The pencil's lead is made of carbon. "

Illustration entities

entities noun

/ˈɛntɪtiz/

That which has a distinct existence as an individual unit. Often used for organisations which have no physical form.

""Many companies and charities are separate legal entities that can own property and enter into contracts." "

Illustration chemist

chemist noun

/ˈkɛmɪst/

A person who specializes in the science of chemistry, especially at a professional level.

"The chemist carefully measured the ingredients for the baking soda volcano experiment in science class. "

Illustration substance

substance noun

/ˈsʌbstəns/

Physical matter; material.

"The scientist carefully examined the substance to determine its chemical composition. "

Illustration contains

contains verb

/kənˈteɪnz/

To hold inside.

"The box contains my old toys. "

Illustration system

system noun

/ˈsɪstəm/

A collection of organized things; a whole composed of relationships among its members.

"There are eight planets in the solar system."

Illustration molecules

molecules noun

/ˈmɑːlɪkjuːlz/ /ˈmɒlɪkjuːlz/

The smallest particle of a specific element or compound that retains the chemical properties of that element or compound; two or more atoms held together by chemical bonds.

"Hydrogen chloride is a diatomic molecule, consisting of a hydrogen atom and a chlorine atom."

Illustration chloride

chloride noun

/ˈklɔːɹaɪd/

Any salt of hydrochloric acid, such as sodium chloride, or any binary compound of chlorine and another element or radical

"The doctor recommended that Maria increase her intake of potassium chloride to help balance her electrolytes. "

Illustration amount

amount noun

/əˈmaʊnt/

The total, aggregate or sum of material (not applicable to discrete numbers or units or items in standard English).

"The amount of atmospheric pollution threatens a health crisis."

Illustration elementary

elementary noun

/(ˌ)ɛlɪ̈ˈmɛnt(ə)ɹɪ/ /ˌɛlɪ̈ˈmɛnt(ə)ɹi/

An elementary school

"My son attends the elementary school near our house. "

Illustration international

international noun

/ˌɪntəˈnæʃ(ə)n(ə)l/ /ˌɪntɚˈnæʃ(ə)n(ə)l/

Someone who has represented their country in a particular sport.

"The United team includes five England internationals."