teenage student conducting research in chemical laboratory

What is a periodic table, and how does it work?

The periodic table is a list of all the elements, arranged in such a way that elements with similar properties are grouped together. There are 92 different elements that exist naturally, but it has been possible for scientists to create many more in the laboratory. Each element in the periodic table is given a number, called an atomic number, which indicates the number of protons the atom has. (A single…

Only logged in users can access this content.