Wednesday, November 30, 2016

Group 17
The Halogens are nonmetals. The Halogens are very reactive. The Electrons in the outer level of Halogens is 7. Halogens are very poor conductors of electric current. There are 5 elements in Halogens the elements are Fluorine,Chlorine,Bromine,Iodine,and Astatine.  


Liam-Astatine
Owen-Bromine
Ava-Chlorine
Kami-Iodine
Carson-Fluorine
                                            
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2 comments:

  1. AnonymousNovember 30, 2016 at 6:40 AM

    Astatine´s atomic number is 85, the symbol is At.

    ReplyDelete
  2. AnonymousDecember 1, 2016 at 6:08 AM

    Chlorine is an element that has the atomic number of 17 and the atomic mass of 35.5. the element symbol if Cl

    ReplyDelete

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