Designed to engage children with a unique periodic table decoding challenge, this worksheet encourages them to solve puzzles using atomic numbers to spell out fall-themed words.

Most people are familiar with the periodic table of elements from basic high school science classes. This table lists all of the known elements of the universe, the atomic number and mass of each ...

Despite their common characteristics, many of them boast unique abilities. Let’s take a tour of some of the most extreme substances on the periodic table. Densest: Osmium.

Once categorized in a periodic table defined by a shape’s unique quantum period, gaps could help tell mathematicians where new shapes could be discovered ...

Smith presents his musical periodic table as an audio show, including clips from some of the smaller elements and what he calls “compositions” of larger molecules.

The Periodic Table exhibit on display in the special exhibition “Material Tales – The Life of Things” at the Hong Kong Science Museum. Photo: Hong Kong Science Museum ...

Elements in the periodic table are arranged in order of increasing atomic number. The atomic number represents the number of protons in an atom's nucleus, uniquely identifying each element.