A chemical element is a substance that cannot be divided or changed into different substances by ordinary chemical methods. The smallest particle of such an element is an atom, which consists of electrons centered around a nucleus of protons and neutrons.
A molecule is the smallest particle of an element or compound that retains the characteristics of the element or compound.
An ion is an atom or group of atoms with a net electric charge, having lost (cation) or gained (anion) an electron.
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Example Usage of Chemicals
energysection: New Conference: Capitalizing on Wind and Solar Energy, Opportunities for Chemicals and Materials: The Chemical .. http://bit.ly/2f2eaF
pieter57: Use less Chemicals on Fruit & Veg by promoting use of Croplife pre-harvest applications.
indytripper: investigations revealed that 24 deodar trees had dried up around several resorts as resort owners injected Chemicals to dry em for space !
