It happens all over the periodic table. The chemical symbol for lead is Pb. For mercury, Hg. For antimony, Sb. My chemistry teacher in high school cracked up every time she referred to the symbol for ...

Creating mnemonic phrases can help you remember the order of elements, especially for the first 20 elements or specific groups. These phrases are general and are available on other free online sources ...

There are lots of different substances but only just over a hundred elements. An element is a substance that is made up of only one kind of atom. The atoms in a particular element are the same as each ...

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 ...

Four new chemical elements now have official names and symbols, the International Union of Pure and Applied Chemistry (IUPAC) announced this week. After a five-month review, IUPAC chemists have ...

Oh dear—π day 2016 has gone by and I still haven’t memorized p in what I used to call the ‘‘elementary’’ way that I invented some decades ago. Somebody recently suggested the much better name ...

To celebrate 150 years of the periodic table, all the words in this grid are made from chemical element symbols. Fill each white square with one element. Take care! Some squares contain more than one ...