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Halogens

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  • the halogens which exist in a gaseous state is ....
    fluorine and chlorine
  • the molecule of halogen is composed of ..... atoms
    two
  • the outermost energy level of any halogen contains ....... electrons
    7
  • Halogens are considered from ....... block groups
    P
  • the element which can't replace bromine in its salt solution
    iodine
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