Atomic weights of five elements tweaked
lithium, boron, carbon, nitrogen, oxygen, silicon, sulfur, chlorine and thallium. Elements such as fluorine, aluminum, sodium and gold have just one stable isotope and thus do not exhibit variations in their atomic weights. The new intervals may cause some ...
Boron: It's What Makes the Hope Diamond Blue
Boron is carbon's neighbor on the periodic table, which means it can do a passable carbon impression and wriggle its way into the matrix of a diamond. But it has one fewer electron, so it can't quite form the same four perfect bonds. This different ...
The Geometry of Snowflakes -- Oxygen Structure
Why do freezing water molecules arrange ... The four Elements following Hydrogen, Helium(2), Lithium(3), Beryllium(4), and Boron(5), all have box-like shapes. But the next 5, Carbon(6), Oxygen(8), Nitrogen(9), Fluorine(10) and Neon(11) are all spheres.
B and N isolate-doped graphitic carbon nanosheets from nitrogen-containing ion-exchanged resins for enhanced oxygen reduction
B,N-codoped carbon nanostructures (BNCS) can serve as alternative low-cost metal-free electrocatalysts for oxygen ... boron-nitride (BN) easily formed during the synthesis of BNCS, leading to a unsatisfactory ORR activity. Therefore, it has been ...
Atomic Weights Tweaked for 5 Elements
In 2010, the IUPAC replaced standard atomic weights with intervals for hydrogen, lithium, boron, carbon, nitrogen, oxygen, silicon, sulfur, chlorine and thallium. Elements like fluorine, aluminum, sodium and gold have just one stable isotope and thus do ...