Based on the periodic table of elements ,which of the following sets of elements have similar properties

The correct option is;

Chlorine (Cl), Bromine (Br) and Iodine (I)

Step-by-step explanation:

The periodic table is the arrangement  of the elements in a table consisting of rows and columns in an order of increasing atomic number, the number of electrons in their valence shell and the presence of certain energy levels in the atom of an element

The rows, known as periods, represent the number of shells found in an atom of an element, while the columns, known as groups are arranged by the number of electrons in the valence shells

The properties of the elements are determined by the number of electrons in their valence shell with elements having the same number of electrons in their valence shell share the same chemical properties

Given that the elements with the same number of valence electrons belong to the same group in the periodic table, the elements in the same group have similar chemical properties

Among the given options, the set of elements belonging to the same group are chlorine (Cl), Bromine (Br), and Iodine (I), which belong to group 7 on the periodic table, a group known as the halogens.

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