Since then, the periodic table has evolved to reflect over 150 years of scientific development and understanding in chemistry and physics. Today, with 118 known elements, it is widely regarded as one ...

Compounds are not found on the periodic table. For example, water isn’t on the periodic table because it is a compound, not an element. Water is made from the element hydrogen bonded to the ...

Want to learn more about this centerpiece of chemistry? Take your pick from this collection of links about elements and the periodic table! Build an element ball, solve periodic puzzles, and check out ...

Fool’s gold, or Pyrite, is represented by the letters ‘FeS2’. Both ‘Fe’ and ‘S’ can be found on the periodic table. Compounds are made from two or more elements that are chemically bonded together.

Today the periodic table is the starting point for understanding chemistry. On the wall of every laboratory or school chemistry department you are likely to find hung a copy where chemists and student ...

Melanie Scott wrote two entertaining books, each featuring the superheroes and villains of Marvel and DC Comics as periodic ...

Electronegativity, an essential characteristic of all elements in the periodic table, measures an atom's ability to attract electrons towards itself within a chemical bond. This vital theoretical ...