Periodic Genius
Home
Periodic Table
Elements
About
Home
/
Elements
/ Fluorine
9
F
18.998 u
Fluorine
Halogen
Atomic no.
9
Atomic mass
18.998 u
Period
2
Group
17
Phase (25°C)
Gas
Discovered
1886
Did you know
Most reactive of all elements
Element photos
Loading HD photos…
Ask AI about Fluorine
⇓ Download
Clear chat
Powered by Claude AI · Ask about uses, history, reactions, fun facts
← Previous
Oxygen
Element 8
Next →
Neon
Element 10
×
← Prev
1/3
Next →