Visit the homepage for more information. A: The shell or clam shell has symbolic value in many cultures, from India (Vishnu carries a shell) to the moon god in Aztec culture. Its main reference is to ...

With a heavy nucleus (79 protons) and a lone electron in its outermost electron shell, gold should have fairly similar properties to silver, with its 47 protons and electrons, and a lone electron ...

Some elements in the periodic table, such as carbon, silicon, and germanium, are intrinsic semiconductors due to the number of electrons in their outermost electron shells. By comparison ...

In Bohr’s 1913 papers he envisaged atoms along the lines established by his mentor Ernest Rutherford: dense nuclei orbited by ...

Toon 18 years ago and fell for him. “An electron bounced between us,” she wrote on “Everything is Personal,” her newsletter. That didn’t prevent her from feeling ambivalent as they stood ...

Transmission electron microscopy is a general type of electron microscopy that generates an image of the internal structure of a thin sample using a beam of electrons to achieve much higher ...