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gas atomic mass 16 8 neutrons
gas 16 amu 8 neutrons
atomic number 8 mass number 16
oxygen 16 protons neutrons mass number
atomic mass - atomic number neutrons
atomic mass of neutron
gas with 8 protons and 8 neutrons
gas with 8 neutrons
i am a gas with 8 neutrons
atomic mass 16 element
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