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Comments

Sudee
Well I said it was Fiendish!
(4 years, 3 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, 3 months ago)

Deena
Chemistry Teacher!... Apologies for P. Changed.
(4 years, 3 months ago)

Deena
...and group numbers now added.
(4 years, 3 months ago)

Lawner
Halogens?
(4 years, 3 months ago)

Sudee
Lawner - Indeed they are. Added. Thank you.
(4 years, 3 months ago)

Jmelb
Tough but fair!
(4 years, 3 months ago)

Dave
Cl, Fl, Br, I are halides. Halides should be accepted as an answer.
(4 years, 3 months ago)

Sudee
Halides added. Can you tell Im no chemist! 😁
(4 years, 3 months ago)

 

 


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