Multiple choice general knowledge science & technology

How many elements are contained in the current standard table as of October 16, 2006?

  1. 115

  2. 116

  3. 117

  4. 121
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

As of October 16, 2006, element 117 (tennessine) had not yet been discovered - it was first synthesized in 2010. The most recently confirmed elements at that time were up to element 116 (livermorium, discovered 2000). Options A (115) and B (116) would have been plausible counts in the early 2000s.

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