Elements- Halogens (Symbol/at#/state)

Front 1

Halogens
hal⋅o⋅gen  [hal-uh-juhn, -jen, hey-luh-]
1) What is the symbol?
2) What is the atomic # ?
3) Is it a solid, gas, liquid, artificially prepared?

Back 1

A member of Group 17 of the periodic table. Many of the properties of the halogens vary in a regular fashion from fluorine (F) through Chlorine (Cl) and bromine (Br) to Iodine (I). Fluorine, for instance, is a very pale yellow, almost ordorless gas, chlorine a yellow-green gas, bromine a red-brown liquid, and iodine a purple-black solid.

Front 2

Fluorine

Back 2

1) F
2) atomic # 9
3) gas

Front 3

Chlorine

Back 3

1) Cl
2) atomic # 17
3) gas

Front 4

Bromine

Back 4

1) Br
2) atomic # 35
3) liquid

Front 5

Iodine

Back 5

1) I
2) atomic # 53
3) solid

Front 6

Astatine
as⋅ta⋅tine  [as-tuh-teen -tin]

Back 6

1) At
2) atomic # 85
3) solid