Periodic Table as Arranged by Mendelejeff attention ... It will be remembered that an alpha particle is a helium atom with two positive charges. By its expulsion, therefore, the atom must lose ...

When the plastic strip is rubbed on the skin, electrons from the skin are transferred to the plastic giving the plastic a negative charge. When the plastic is moved near the desk, electrons in the ...

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 ...

An international team led by scientists of GSI/FAIR in Darmstadt, Johannes Gutenberg University Mainz and the Helmholtz ...

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 ...

The search for new elements comes from the dream of finding a variant that is sufficiently stable to be long-lived and not ...

An international team led by scientists of GSI/FAIR in Darmstadt, Johannes Gutenberg University Mainz and the Helmholtz ...

Play this game to learn about lots of different elements in the periodic table. While you're watching, look out for where different elements are found in the periodic table. Mrs Roberts ...

Mrs Roberts: Not quite. So, today we're going to look at the periodic table. That thing that you see behind your teacher on the wall in science lessons. It actually tells us a lot about the ...

Superheavy elements are those elements with a large number of protons in their nucleus. Elements with more than 92 protons are unstable; they decay to lighter nuclei with a characteristic half-life.

However, sulfur's position lower in the periodic table endows its compounds with ... permitting it to more readily adopt a positive charge, which is used by a number of enzyme cofactors.