This video is an interactive lesson in calculating an atom’s mass and atomic number. Atoms consist of a nucleus containing protons and neutrons, surrounded by electrons in shells. The numbers of ...

After a certain average ... the mass of the beta particle is extremely small compared with that of the atom, there is practically no decrease in atomic weight. Now in the Periodic Table the ...

This useful study integrates experimental methods from materials science with psychophysical methods to investigate how frictional stabilities influence tactile surface discrimination. The authors ...

"An epic exploration of possibilities. What If is a Webby Award-winning science web series that takes you on a journey through hypothetical worlds and possibilities, some in distant corners of the ...

The modern periodic table ... were gradually added to the table. Over time, advancements in materials science and nuclear research have led to further updates, including the synthesis of new elements ...

On 17 February 1869, Russian chemist Dmitri Mendeleev jotted down the symbols for the chemical elements, putting them in order according to their atomic weights and inventing the periodic table.

An international research collaboration has overturned the long-standing belief that the atomic nucleus of lead-208 is perfectly spherical. The discovery challenges fundamental assumptions about ...

Their research offers new insights into how these special atomic collisions occur ... sending them flying off the table. The ...

In a groundbreaking study, scientists developed new ways to control atom collisions using optical tweezers, offering insights ...

Alexandra Bell is bringing more than a decade of experience in nuclear policy to the Bulletin of the Atomic Scientists ... that could arise from it, like mass migration, can increase tension.

Researchers in my field work to understand the chemistry of all the elements that make up the periodic table. Many inorganic chemists focus ... composition and a highly ordered structure at the atomic ...