The periodic table of chemical elements, often called the periodic table, organizes all discovered chemical elements in rows (called periods) and columns (called groups) according to increasing atomic ...

The Periodic Table of the Elements is a wonderful aid in understanding chemistry, if you understand the reasons the elements are sorted the way they are. The table itself is a model of information ...

The periodic table shows all the atoms that everything in the known universe is made from. It’s kind of like the alphabet in which only 26 letters, in different combinations, make up many thousands of ...

The periodic table's organization provides important information about an element's structure and properties. Read on to learn more about how the periodic table was made over 150 years ago and why ...

By the periodic table’s logic, all d-block elements should have filled s orbitals. But copper defies that logic. It should have the electron configuration [Ar] 3d 9 4s 2.

Today, the periodic table is organized by atomic number, which is the number of protons in the nucleus. But they didn’t know about protons then, so they organized everything by atomic weight.

Like Venn diagrams and flowcharts, the periodic table of elements gives us a geeky form in which to sort and convey all kinds of information. In what has become a semi-annual series, here are more ...

New data on lawrencium, element 103, trigger rethink of periodic table. Skip to content. Subscribe or renew today Every print subscription comes with full digital access. Subscribe / Renew now.

Elemental music: Interactive periodic table turns He, Fe, Ca into Do, Re, Mi. Hydrogen has a scale pattern; zinc "sounds like an angelic vocalist singing with vibrato." ...