A. Fluorine
B. Neon
C. Argon
D. Krypton
Answer: Fluorine
A. Fluorine
B. Neon
C. Argon
D. Krypton
Answer: Fluorine
Additional Information: Fluorine (F) is a halogen found in Group 17 of the periodic table. It is known for its high reactivity and is commonly used in the production of fluorinated compounds.
Subjects: Atomic Structure, Chemistry, Chemistry