Which of the following elements is the largest size halogen?

Question

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The halogens are a group of non-metallic elements in the periodic table, which includes fluorine (F), chlorine (Cl), bromine (Br), iodine (I), and astatine (At). As one moves down the halogen group in the periodic table, the atomic size, or radius, tends to increase due to the addition of more energy levels. Bromine (Br) is the largest halogen because it is located at the bottom of the group and has the most energy levels.

Which of the Following Elements Is the Largest Size Halogen