It is bromine.
Edit: NO. It is NOT bromine. The third period halogen is chlorine (Cl). Bromine happens to be in period 4.
This chemical element is chlorine (Cl).
bromine
Bromine. :)
fluorine
CaF2
There is no such element.
Astatine is the 6th period halogen.
chlorine
Iodine, element number 53 is the halogen (Group 17) element in period 5.
This chemical element is astatine (At).
Bromine. :)
chlorine
fluorine
Chlorine, the halogen in period 3.
Iodine
CaF2
There is no such element.
Chlorine is the element located in Period 3 that is used for water purification. It is also a member of the Halogen group.
No, Bromine is a Halogen