Students use the terms isotope, atomic number, mass number, and atomic mass. Atomic Theory: Structure of the Atom: Students use the terms isotope, atomic number, mass number, and atomic mass to ...

Touch a hot frying pan and the searing message of pain sprints up to your brain and back down to your hand so fast that the impulse to withdraw your fingers seems instantaneous. That rapid-fire signal ...

What you’re looking at is the first direct observation of an atom’s electron orbital — an atom’s actual wave function! To capture the image, researchers utilized a new quantum microscope — an ...