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Comments

Sudee
Well I said it was Fiendish!
(4 years, 10 months ago)

Chemistry teacher!
Good grid, but it's a little mean not allowing "group 0", "group 1" and "group 2" as answers. Also, P does not belong in the same group as Cl, Br, and F
(4 years, 10 months ago)

Deena
Chemistry Teacher!... Apologies for P. Changed.
(4 years, 10 months ago)

Deena
...and group numbers now added.
(4 years, 10 months ago)

Lawner
Halogens?
(4 years, 10 months ago)

Sudee
Lawner - Indeed they are. Added. Thank you.
(4 years, 10 months ago)

Jmelb
Tough but fair!
(4 years, 10 months ago)

Dave
Cl, Fl, Br, I are halides. Halides should be accepted as an answer.
(4 years, 10 months ago)

Sudee
Halides added. Can you tell Im no chemist! 😁
(4 years, 9 months ago)

 

 


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