Elements in group 1 and group 2 are metals ... See the study guide on groups in the periodic table for more information.

Watch this video to find out more information on the periodic table close ... and show trends. The table below shows the melting points of most elements in group 1. Melting points are a physical ...

That pun is based on the fact that the main building blocks in the branch of science are chemical elements, pure substances ...

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 ...