chemistry C4 (2)

  • Created by: aleena147
  • Created on: 02-01-20 17:02

Group 7, The halogens 

fluorine, chlorine, bromine, iodine, astatine 

all have 7 electrons in the outer shell so they all have similar chemical properties 

the halogens exist as diatomic molecules, sharing one pair of electrons in a covalent bond gives both atoms a full outer shell 

as u go down group 7, the melting and boiling points increase

this means at room temp-

chlorine is a fairly reactive, poisonous, green gas

bromine is a poisonous red-brown liquid which gives off an orange


No comments have yet been made

Similar Chemistry resources:

See all Chemistry resources »See all group 7 the halogens resources »