Category Archives: Early vs modern Periodic Table

Early vs modern Periodic Table

The early Periodic Table Newlands, and then Mendeleev, attempted to classify the elements by arranging them in order of their atomic weights. The list can be arranged in a table so that elements with similar properties are in columns, known as groups. The table is called a periodic table because similar properties occur at regular intervals. The early periodic tables were incomplete and some elements were placed

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