The chemical elements are arranged this way because: they are grouped based on their atomic number (number of protons), for easy identification and predicting their ability to bond with other elements.
A periodic table can be defined as an organized tabular array of all the chemical elements typically arranged in order of increasing atomic number or number of protons (in rows).
Basically, a periodic table comprises eighteen (18) columns and seven (7) rows.
Groups, which are the families of chemical elements are represented by the vertical rows on the periodic table
On the other hand, the periods of chemical elements are represented by the horizontal columns.
Generally, the chemical elements are arranged this way because they are grouped based on their atomic number (number of protons), for easy identification and predicting their ability to bond with other elements.
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