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 ...

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

You may remember studying the periodic table of the elements in high school science class- but do you know which elements are ...

The atomic number of tellurium is 52 and the atomic number of iodine is 53, so these elements are in the correct order in the modern periodic table.

But how many of these elements do you know? Test your knowledge and compete with other Live Science readers to see who can ...

You'll find it on the wall of nearly every school chemistry laboratory ... in an attempt to memorise some of the 118 elements. This year, the periodic table of chemical elements celebrates its ...

Petersburg, where she managed to get Dmitri into a “good school“, recognising his potential ... Mendeleev discovered the periodic table (or Periodic System, as he called it) while attempting to ...

We all had different favorite subjects at school that we wanted to have more classes in. Chemistry is a controversial one ...

it’s more like a museum than a table. So, we’ve taken to calling it the Periodic Museum of the Elements. The Museum may be seen at the top of the grand staircase in the Julian Science Center. School ...