how many countries are possessing atomic power?
It is not clear from your question whether you are referring to those countries which use nuclear energy to generate electricity or to those countries which posess nuclear weapons. According to the Uranium Institute, the following countries have operational nuclear power plants: Argentina-2, Armenia-1, Belgium-7, Brazil-2, Bulgaria-6, Canada-14, China-3, Czech Republic-4, Finland-4, France-59, Germany-19, Hungary-4, India-12, Japan-52, South Korea-16, Lithuania-2, Mexico-2, Netherlands-1, Pakistan-2, Romania-1, Russia-29, Slovakia-6, Slovenia-1, South Africa-2, Spain-9, Sweden-11, Switzerland-5, Taiwan-6, United Kingdom-35, Ukraine-14, United States-103. This totals 31 countries who generate electricity with nuclear energy. The data I\’m quoting is located at http://www.uilondon.org/coreissues/stats/reastats.htm which also provides figures for production and reactors under construction or not currently operating. As for those countries with nuclear weapons capability, they include: Uni