Respuesta :
Periodic table is arranged and organized with special pattern or regular variation of the properties of an element with increasing atomic number, this is called periodic trend. So periodic trend look like a repeating pattern on the periodic table.
Some of the trends are density, atomic radius,melting point, boiling point, electronegativity etc.
Some of the trends are density, atomic radius,melting point, boiling point, electronegativity etc.
A periodic trend on the periodic table is represented by a repeating pattern