Which halogen is a gas at room temperature and is pale yellow in color?
CHEMISTRY
JAMB 2023
Which halogen is a gas at room temperature and is pale yellow in color?
- A. Chlorine (Cl)
- B. Fluorine (F)
- C. Iodine (I)
- D. Bromine (Br)
Correct Answer: B. Fluorine (F)
Explanation
Fluorine is a halogen that is a gas at room temperature and is pale yellow in color. Halogens are a group in the periodic table consisting of five chemically related elements: fluorine (F), chlorine (Cl), bromine (Br), iodine (I), and astatine (At). Among these, only Fluorine and Chlorine are gases at room temperature, but Chlorine is greenish-yellow, not pale yellow.
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