The more protons an atom has in its nucleus, the more strongly the electrons will be attracted and the more energy will be given out. As we know, atomic number is also known as proton number, and it ...

Students look more deeply into the structure of the atom and play a game to better understand the relationship between protons, neutrons, electrons, and energy levels in atoms and their location in ...

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 ...

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 ...

If only someone would organize them into one succinct chart, categorizing them according to common properties and laying them out in an authoritative graph. Wait, Car and Driver is someone ...

Ivan Dmochowski ponders how xenon, though initially slow to earn a spot in the periodic table, is now at the forefront of advances in science and technology. For all their nobility, elements of ...

Nature Chemistry - The story of the last element to be discovered out of the first 92 catalogued in the periodic table is told by Eric Scerri, who reminds us that technetium can be found a little ...