PhysChemTutor's answer to Jane's Secondary 4 Chemistry Singapore question.
I think you mean group VII for Particle J.
Group 7 is for another group (transition metals Manganese, Technetium Rhenium, etc)
The equivalent group for Particle J is Group 17
Group 7 is for another group (transition metals Manganese, Technetium Rhenium, etc)
The equivalent group for Particle J is Group 17
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