- Mukilteo — Thumbnail History (historylink.org)
Mukilteo is one of the oldest settlements in Snohomish County and the first county seat. Situated on Possession Sound, the town is bordered on the east by Everett and Paine Field. The site, long home to a village of the Snohomish Tribe, was the location for the signing of the Point Elliott Treaty in 1855…
- Fluorine (Wikipedia)
Fluorine is a chemical element; it has symbol F and atomic number 9. It is the lightest halogen and exists at standard conditions as pale yellow diatomic gas. Fluorine is extremely reactive as it reacts with all other elements except for the light inert gases. It is highly toxic.