Which of the following statements concerning the known elements is true?

Question

Quizplus · Accepted Answer

There are 118 known elements, but only 88 of them occur naturally on Earth. The rest have been synthesized in laboratories. The statement about no new elements being identified within the last twenty years is incorrect, as several new elements have been discovered and added to the periodic table in that timeframe. The total number of known elements is not 104, but 118. Lastly, scientists generally do not suspect there are more naturally occurring elements to be discovered on Earth, as we have likely identified all that naturally occur here.

Which of the Following Statements Concerning the Known Elements Is