These elements are building blocks of matter and everything around us is made up of them. There are 118 elements in the periodic table, each with a unique symbol and atomic number.

When it comes to science, chemistry is elemental. That pun is based on the fact that the main building blocks in the branch ...

The formula H₂O shows that water is made from two atoms of hydrogen (H) bonded to one atom of oxygen (O). Katie: Time for some science. And today it's a chemistry classic, the periodic table.

We’re in the golden age of unique baby names — while “Emily” and “John” will always be classic choices, many people are searching for more uncommon names for their babies, and ...

The periodic table shows the names and symbols of the elements. Elements are arranged into groups that share similar characteristics. Groups are numbered from 1 to 7, then 0. Metals are found on ...