Answered

Which of the following elements in the halogen
group is the most likely to be a solid at room
temperature?
A.
Fluorine
B. Bromine
C. Chlorine
D. Iodine

Verified Answer :

GinnyAnswer

In the halogen group, which consists of elements like fluorine, bromine, chlorine, and iodine, the element that is most likely to be a solid at room temperature is iodine (D).

Here's why:

1. Physical State:
- Fluorine (A) is a gas at room temperature.
- Bromine (B) is a liquid at room temperature.
- Chlorine (C) is a gas at room temperature.
- Iodine (D) is a solid at room temperature.

2. Trend in Physical State:
- As we move down the halogen group in the periodic table from fluorine to iodine, the elements change from being gases to liquids to solids at room temperature.
- This trend is due to the increasing molecular weight and size of the atoms in the halogen group as you move down the group.

Therefore, among the given options, iodine (D) is the most likely element to be a solid at room temperature in the halogen group.

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