The Thursday Quiz!
The Thursday Quiz is, as always, a "Is It or Isn't It" game. From the list of twelve items, your job is to determine whether each IS or ISN'T in the week's category.
Remember always the way of the ancestors:
No research, Googling, Wikiing, or use of reference books. The ThursdayThis Week's Category will blind you -- with science!
Quiz is a POP quiz. Violators will be cast forth from the tribe.
The Chemical Elements
Test your hypotheses by submitting them to a rigorous experimental procedure! By which I mean, submit your answers as a comment.