As the elements of group 17 are considered in order of increasing atomic number, there is an increase in ATOMIC RADIUS. It is a measure of the size of the atoms.
What is the atomic radius?
The atomic radius can be defined as a measure of the size of the atoms of a given chemical element.
The atomic radius can be calculated as the mean distance from the center of an atomic nucleus to the shells of the negatively charged electrons.
The atomic radius is considered for solid elements since this measurement can vary according to the states of matter.
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