Science 8 - Halogens/ Group 7 Elements Flashcards
What group does the halogens belong to
Group 7
List all halogen elements
Fluorine = Gas at room temperature Chlorine = Gas at room temperature Bromine = Liquid at room temperature Iodine = Solid at room temperature Astatine = Solid at room temperature
Fluorine
F
Chlorine
Cl
Bromine
Br
Iodine
I
Astatine
At
Physical properties of fluorine
Yellow gas
Causes nose and Eye irritation
Can cause death
Physical properties Chlorine
Green gas
Choking smell
Inhaling it can cause Burning in the eye and sinuses
Chemical properties of fluorine
Most reactive halogen- ignites with anything it touches
Chemical properties of chlorine
Kill bacteria
Chemical properties of bromine
Toxic
Volatile
Physical properties of bromine
Reddish-Brown
Liquid at room temp(one of two elements that are liquids)
Physical properties of iodine
Volatile
Gives of a purple gas
Solid
Chlorine uses
Swimming pools
Drinking water