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Magpie
Horribly tricky today Think unless you are a scientist, thank you
(9 years, 3 months ago)

Destrii
Haha, had me desperately trying to remember my periodic table :P Would be nice if it accepted "noble gases" and "halogens" instead of just the group numbers, though?
(9 years, 3 months ago)

Dangermouse
I typed "halogens" and "noble gases" too.
(9 years, 3 months ago)

Think!!!
Sorry, I have never heard of noble gases or halogens. But are they all noble gases (what ever that means)?
(9 years, 3 months ago)

sumisu
Yes, Argon, Krypton, Xenon and Neon are noble gases. Tried it too
(9 years, 3 months ago)

toast
Whereas I just put "group" as I couldn't remember the numbers and was marked correct. Indeed the race is not always to the swift (but that's the way to bet).
(9 years, 2 months ago)

 

 


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