uverworldxdz6978 uverworldxdz6978
  • 19-06-2018
  • Chemistry
contestada

An atom containing 25 protons, 30 neutrons and 25 electrons will have an atomic mass of:

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olabido
olabido olabido
  • 21-06-2018
atomic mass=no of neutron+no of electron
Atomic mass=25+30
Atomic mass=55
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