Periodic Table of the Elements


Periodic Table of the Elements (Popular Science)

This is a detail from the “Oxygen” entry for this photographic periodic table of the elements.

Last night for his bedtime reading, when asked to choose from a small stack of books that also included adventure and humor, for his bedtime story my eight-year-old chose “The Mystery of the Periodic Table.”

Did you know that gold is one of the few elements that is naturally found concentrated in large qualities in a pure state near the surface of the earth?