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 ...

Can France claim the first periodic table? Probably not, but a French Geology Professor made ... bromine), and tellurium similar to the group 6 elements (oxygen, sulphur, selenium), so he swapped them ...

The table shows the melting points of five alkali metals. Use this information to describe how melting point changes in group 1.

The periodic table of elements (often known simply as the periodic table) has been helping scientists with their work for a little over 150 years. The handy visual reference guide organizes known ...

What do all these things have in common? They all have a link to the periodic table, which turned 150 in 2019! Here are some fascinating elements that you may never have heard of, but definitely ...

National Periodic Table Day, observed annually on February 7, honors one of the most significant achievements in scientific ...

But how many of these elements do you know? Test your knowledge and compete with other Live Science readers to see who can come top in our periodic table quiz. The periodic table of elements is a ...

You interact with about two-thirds of the elements of the periodic table every day. Some, like carbon, oxygen, and nitrogen, make up our bodies and the air we breathe. Yet there is also a class of ...