Which part of the periodic table did Lewis add electron information to?
Transition metals
Noble gases
Alkali metals
Chemical elements
Answer
Chemical elements formed the periodic table Lewis made modifications to in the early 20th century. He believed atoms of different elements had distinctive arrangements of electrons, determining the chemical properties of elements. Lewis added electron information or "dots" to the periodic table to represent the valence electrons of each element, providing insight into their chemical behaviour and interactions.
Mastering the Elements with Gilbert N. Lewis: A Quiz on the Architect of Chemical Bonds
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