[pjc50]

"The dose makes the poison"; biology is full of substances that can keep you alive in small quantities and kill you in large ones.

[anonymouskimmer]

It's not even the dose here, it's the reactivity of the chemical bonds. Sodium fluoride (alkali-halogen) bonds are a lot more stable than halogen-halogen bonds. And a Chlorine Trifluoride bond? Woah.