Chemistry (the etymology of the word has been much disputed) is the science of matter and the changes it undergoes. The science of matter is also addressed by physics, but while physics takes a more general and fundamental approach, chemistry is more specialized, being concerned with the composition, behavior (or reaction), structure, and properties of matter, as well as the changes it undergoes during chemical reactions. It is a physical science which studies various substances, atoms, molecules, crystals and other aggregates of matter whether in isolation or combination, and which incorporates the concepts of energy and entropy in relation to the spontaneity of chemical processes. (wikipedia)

Chemistry has its roots in alchemy dating back to the early Egyptians.

The word 'alchemy', as the Arabic definite article al- indicates, is Arabic (al-klmya'). The origin of the word kimya', pre-Arabic, is controversial. Several more or less plausible or legendary hypotheses have been advanced. For some the word came from the Egyptian kemi (black), whence the Greek kemia which might indicate two things:

Egypt, 'the black land' according to Plutarch - alchemy would be preeminently the science of Egypt; 'the Black', the original matter of transmutation, i.e. the art of treating 'black metal' to produce precious metals.

For others, the word 'chemy' could have come from the Greek khymeia, 'fusion', i.e. the art of melting gold and silver. A Byzantine text states that Diocletian ordered the destruction of Egyptian books relating to khymeia, to the 'fusion' of gold and silver. alchemy, word origin

See Also

Alchemy - Most Sacred Science
Figure 14.04 - The Alchemical Light
Figure 2.16 - Alchemical Graphics showing Celestial and Terrestrial Realms
Figure 2.8 - Alchemists Artwork showing duality or Polar States
Law of Chemical Affinity
Law of Chemical Dissociation
Law of Chemical Morphology
Law of Chemical Substitution
Law of Chemical Transposition

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