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"ACTB (NCTR)." (n.d.). Fullformexpand.com. Retrieved July 29, 2026, from https://www.fullformexpand.com/actb-nctr/analytical-chemical-techniques-branch-nctr.
ACTB (NCTR). (2026). Fullformexpand.com. Available at: https://www.fullformexpand.com/actb-nctr/analytical-chemical-techniques-branch-nctr (Accessed: 29 July 2026).
Discovered by André-Marie Ampère in 1810, Fluorine is a chemical element with the symbol F and atomic number 9. It is the lightest halogen and exists as a highly toxic…