How are elements organized in a periodic table?

Question

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Alphabetically
Chronologically in order of discovery
By horizontal rows called periods, and by vertical columns called groups
By nonmetals on the left and metals on the right

Answer 1

Elements in the periodic table are organized by horizontal rows called periods and by vertical columns called groups. This organization is based on the atomic number of the elements, which is the number of protons in the nucleus of an atom. Elements in the same group typically have similar chemical properties.

Answer 2

pick one pls