Jöns Jacob Berzelius is Sweden's most famous chemist and is considered one of the founders of modern chemistry, alongside Robert Boyle, John Dalton, and Antoine Lavoisier. He is best known for developing the modern system of chemical formula notation in the early 19th century; he is the reason the symbol for water is H2O, oxygen is O2, and so on.

This chemical notation proved so useful because it shows the electrochemical ingredients as well as the proportions of the ingredients. But it just one among many contributions Berzelius made to the field, including his influential electrochemical theory and discovering several elements.

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