Promoters are substances that increase the catalytic activity, even though they are not catalysts by themselves.
Inhibitors are sometimes referred to as "negative catalysts" since they decrease the reaction rate.
F- Fluorine only forms a single bond.
Fluorine has five electrons in its p-orbital. By gaining one electron from the single bond,. Fluorine would then be a stable stony with 8 valence electrons.
Lbs
a person is likely to weigh a few pounds