Please enable JavaScript.
Coggle requires JavaScript to display documents.
GROUP 17 (Tennessine (Period 7, Atomic number: 117, Solid at room…
GROUP 17
Iodine
-
-
-
-
-
-
-
-
-
Essential to life. Iodine is needed to prevent from getting Derbyshire neck. Iodine is also required for tadpoles to become frogs
Appearance: black, shiny, crystalline solid. sublimes to form purple vapour when heated
Astatine
-
-
Key isotopes: At-210, At-211
-
-
-
-
-
-
-
Highly radioactive, have a short half-life (8.1 hours) so it decomposes very easily, causing only a few chemists to study it
Tennessine
-
-
-
-
-
-
-
-
-
-
Appearance: highly reactive, which only a few atoms have been made
Decays in seconds, preventing chemists to study further, and highly radioactive
-
Chlorine
-
-
-
-
It is quite dense, quite corrosive and it react with water to produce acid
-
Flourine
-
-
-
-
It is really reactive and can react with all the element in the periodic table except for Helium and Neon.
it is in gas state when at 20 C and very pale yellow. when it in liquid form, the yellow colour can be seen.