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Answer:
It is way too long I can't help with it Honestly
An element in the same row with roughly half of the atomic mass always has a greater atomic radius.
Atomic radius: It is the distance between the nucleus and the outermost shell.
Atomic mass: It is the mass or the number of nucleons or protons and neutrons inside an atom.
In a row, the number of protons increase but the number of shells remains constant.
Hence, the positive protons in the nucleus attract electrons with more electrostatic force.
Therefore, an element in the same row with roughly half of the atomic mass always has a greater atomic radius.
To know more about Atomic radius:
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