which is negatively charged (electrons have a negative charge), pulls on the atoms, which are positively charged (each atom is missing one or more of its electrons). The attraction between the ...

Everyone at that time imagined the atom as a "plum pudding." That is, it was roughly the same consistency throughout, with negatively-charged electrons scattered about in it like raisins in a pudding.

it becomes a positively-charged ion if the atom gains one or more electrons, it becomes a negatively-charged ion A helium atom has two electrons in an energy level outside the nucleus. The atom is ...

neutral neutrons and negatively charged electrons. Positronium is an exotic atom composed of a single negative electron and a ...

A hydrogen atom has one proton as the nucleus and one electron in ... electrons from the skin are transferred to the plastic giving the plastic a negative charge. When the plastic is moved near the ...