February 7 is National Periodic Table Day, when we celebrate the efforts of scientists over the centuries to figure out how different elements ...

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 ...

Ever since physicist Ernest Rutherford discovered the atomic nucleus in 1911, studying its structure and behavior has ...

The periodic table organizes chemical elements based on atomic weight, electron configurations, and chemical properties, ...

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and since 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 valency for oxygen ...

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.

Nuclear power is going through a bit of a renaissance as developed countries look for sources of cheap, plentiful energy to ...

Both rubies and emeralds are minerals, which is a type of rock with a consistent chemical composition and a highly ordered structure at the atomic level ... structures made with the elements in the ...

In an exclusive interview with finews.asia, strategist-turned-entrepreneur Parag Khanna unveils how his new firm, AlphaGeo, delivers the first-ever global dataset on resilience, shares his unfiltered ...