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bikash informationThursday, December 12, 2013HomeBikash WikipediaAdvanced Websitesatom, smallest unit into whichmatter can be divided without the release of electrically charged particles. Italso is the smallest unit of matter that has the characteristic properties of achemicalelement. As such, the atom is the basic building block of chemistry.Most of the atom is empty space. The rest consists of a positively chargednucleus of protonsand neutronssurrounded by a cloud of negatively charged electrons.The nucleus is small and dense compared with the electrons, which are thelightest charged particles in nature. Electrons are attracted to any positivecharge by their electric force; in an atom, electric forces bind the electronsto the nucleu...
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