Halogens

Name the halogens by their atomic numbers.

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- - Atomic no.
  - Element
- - 9
  - fluorine
- - 17
  - chlorine
- - 35
  - bromine
- - Atomic no.
  - Element
- - 53
  - iodine
- - 85
  - astatine
- - 117
  - ununseptium
  - (undiscovered)

Tags: Chemistry

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