This is the law of chemical properties periodicity.
elements
before it there was no organization, but the first periodic table was organized by atomic mass.
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The Periodic Table is organized by Atomic Number (the number of protons) and the Electron Shell capacity (the number of electrons).
Henry Moseley created current periodic table. Elements were arranged in order of atomic number.
The bottom section of the periodic table is for the lanthanides and actinides, which are also known as the inner transition metals. These elements are placed below the main body of the periodic table to keep it compact, as they would otherwise disrupt the table's organization.
the same one who invented it
The number of electrons an element has determine the organization. This table helps in making predictions about how an element will chemically react.
by turds lol who cares
they go in order of their atomic numbers.
Dmitri Mendeleev is known as the father of the periodic table. He developed the periodic table by arranging elements based on their atomic mass and chemical properties, establishing the foundation for the modern periodic table used today. Mendeleev's table had gaps for undiscovered elements, which were later found and filled, validating his organization of the elements.
By grouping the elements on the Periodic Table.