Halogens
Name the halogens by their atomic numbers.
Your answers must match the highlighted question.
-
-
- Atomic no.
- Element
-
- 9
- fluorine
-
- 17
- chlorine
-
- 35
- bromine
-
-
-
- Atomic no.
- Element
-
- 53
- iodine
-
- 85
- astatine
-
- 117
- ununseptium
- (undiscovered)
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