Halogens
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Halogen Elements
There're five elements in Group 17 of the periodic table
More Information about Halogens
The Five Halogen Elements
Fluorine
Non-Metal
Gas at Room Temperature
Color:
Greenish
Atomic Mass: 19 amu
Reactivity Level- Extremely High
Atomic Number: 9
Chlorine
Non-Metal
Gas at Room Temperature
Color:
Green
Atomic Mass: 35 amu
Reactivity Level- High
Atomic Number: 17
Bromine
Non-Metal
Liquid at Room Temperature
Color:
Reddish
-
Brown
Atomic Mass: 80 amu
Reactivity Level- High
Atomic Number: 35
Iodine
Non-Metal
Solid at Room Temperature
Color:
Violet
Atomic Mass: 127 amu
Reactivity Level- High
Atomic Number: 53
Astatine
Non-Metal
Solid at Room Temperature
Color:
Black
Atomic Mass: 210 amu
Reactivity Level- High
Atomic Number: 85