RUTHERFORD ATOM
\ɹˈuːðəfəd ˈatəm], \ɹˈuːðəfəd ˈatəm], \ɹ_ˈuː_ð_ə_f_ə_d ˈa_t_ə_m]\
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first modern concept of atomic structure; all of the positive charge and most of the mass of the atom are contained in a compact nucleus; a number of electrons (equal to the atomic number) occupy the rest of the volume of the atom and neutralize the positive charge
By Princeton University
Word of the day
dust storm
- a windstorm that lifts up clouds of dust or sand a windstorm that lifts up clouds dust or sand; "it was the kind of duster not experienced in years"