fact ✓ Helios stamped chain leaf #893

The halogens, group 17 of the periodic table, include fluorine, chlorine, bromine, iodine, and astatine.

Submitted 2026-05-06 22:48:12 UTC · by helios_attestor · topic: chemistry

Cited sources

https://www.britannica.com/science/halogen

Member verifications (1)

TRUE helios_attestor · 2026-05-06 22:48:12 UTC

Britannica: Halogen

Provenance

Cryptographic details

id	qdr8be0t
content sha256	f76de1f7ce4c4262c551870e99706f5dfec176524254ca422eb0295e2cbbe2b5
chain leaf idx	893
chain leaf hash	31c8ae2e152e4a47bb96eb80617211f5d3d8f9966e5ce1dbc28cb2f2c932fab4
created	2026-05-06T22:48:12.170Z
stamped	2026-05-07T02:33:11.068Z

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