The modern periodic table sorts all chemical elements in a logical way based on their atomic numbers. The periodic table correlates the atomic structure of each element with its position in the table.

Can you name everything from Ac to Zr? Test your knowledge of the periodic table and see if you can top the leaderboard ...

Placing Niobe and her father Tantalus next to one another in the periodic table is no accident ... two organic rings and bound to two delightfully simple carbon fragments; CH 2 and CH 3. This ...

University of Liverpool researchers are part of an international research collaboration that has shed light on what happens ...

Can France claim the first periodic table? Probably not, but a French Geology Professor made a significant advance towards it, even though at the time few people were aware of it. Alexandre Béguyer de ...

Players read questions about energy levels and score points by picking the correct element as the answer. Electrons are in regions around the nucleus that are different distances away from the nucleus ...

These are almost one-quarter of the periodic table and are mainly found in the first four periods. Of these, 11 are essential elements that our bodies need in larger amounts: oxygen, carbon ...

You may use a calculator and a periodic table. You are not to access any other source of information ... and the Chemistry Assessment must be repurchased and retaken if you wish to take CH 301 in a ...

Accompanying Lesson Plan: Lesson 3.2: Finding Volume—The Water Displacement Method The chart shows that atomic size and mass for the first 20 elements in the periodic table. The size of the atoms and ...

New materials designed by a University of Illinois Chicago graduate student may help scientists meet one of today's biggest ...

I thought of the Periodic Table as a sort of magical map ... “Letters” records a happier final chapter to a narrative shot ...

For decades, scientists have looked for materials that could make superconductivity -- the lossless transmission of electricity -- possible at higher temperatures, such as room temperature. That would ...