Everything is made up of atoms. Most of an atom is empty space, however the nucleus makes up more than 99.9 per cent of its mass. In an atomic explosion, that nucleus is split.

About Atoms

The atom is a basic unit of matter that consists of a dense central nucleus surrounded by a cloud of negatively charged electrons. The atomic nucleus contains a mix of positively charged protons and electrically neutral neutrons, which are by by electromagnetic force.

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