In which row are the chemical elements in the order of decreasing their atomic radius?

The radius of an atom in the periodic table decreases diagonally from francium (Fr) to fluorine (F).

In decreasing order of their atomic radius, the elements are arranged in the period from left to right. Period is horizontal stripes marked with Arabic numerals.

In the order of decreasing their atomic radius, the elements are arranged in a group from bottom to top. the group is In order of decreasing their atomic radius, the elements are arranged in stripes in the periodic table, denoted by Roman numerals.



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