Symbols have been used in alchemy for a long time to represent different elements and create a common language to communicate between different languages. The periodic table is designed in a similar fashion with the use of symbols to represent different elements and create a common language internationally that can be used and understood by all.
Alchemy symbols was also a way for alchemists to protect their work as the symbols were not always understood by all and when you are trying to create a potion for immortality or turn lead into gold you need to protect your discoveries! Not that anyone ever did discover this.
Alchemy is the term given to old historical practices and experiments people used to conduct into materials and their properties before modern scientific techniques were discovered.
Alchemy symbols are used to describe the symbols that historically were used by alchemists to show the elements they were using or methods.
The periodic table is the collection of elements arranged by atomic number
Immortality is the term given to when a person would live forever and never die.
A philosopher is a term given to thinkers who in history came up with ideas and theories about how things worked but often did not have evidence.
Aristotle was a Greek philosopher from 300BC who made many advances in the theory of elements and maths
Hippocrates is a famous Greek doctor who around 400BC promoted many advances in medicine
Ethanol is a compound of hydrogen, carbon and oxygen and is used in alcoholic drinks and as a fuel due to it being easy to burn.
Distillation is a separation technique that can be used to separate out liquids from each other by their boiling points.
Separation is a term to describe the distance between particles
Paracelus was a 16th century Swiss philosopher who devised the theory of the three prime elements and linked them to human diseases.
Quicksilver is the name given to the element mercury due to its state as a liquid when at room temperature and being a silver colour.
Brimstone is an old term used to describe the element sulphur and its smell commonly compared to the smell of hell.
The signs of the zodiac are the star signs made by the stars in the sky that according to astrology are related to a persons birth and their personality