Halogen Family Flashcards
1
Q
Chlorine
A
Diatomic (Cl2)
Green gas
2
Q
Bromine
A
Diatomic (Br2)
Dark red liquid
3
Q
Iodine
A
Diatomic (I2)
Least active halogen
Purplish black crystal solid
4
Q
Hydrochloric Acid
A
Strong acid made from NaCl and concentrated H2SO4 (sulfuric acid)
5
Q
Silver bromide and silver iodide
A
Used on photographic film to record light intensity
6
Q
Hydrofluoric Acid
A
Acid used to etch glass by reacting w/silicon dioxide to release silicon fluoride gas. Used to frost lightbulbs
7
Q
Fluorine
A
Diatomic (F2)
Pale yellow gas
Most active halogen and most electronegative element. Most active nonmetal element.
8
Q
Fluoride Compounds
A
Used in drinking water and toothpaste to help reduce tooth decay
