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Which total mass is the smallest? (1) the mass of 2 electrons (2) the mass of 2 neutrons (3) the mass of 1 electron plus the mass of 1 proton (4) the mass of 1 neutron plus the mass of 1 electron

Alexa Spicer

in Chemistry

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Kevin Sutter on May 14, 2018

The mass of the electrons, protons and neutrons:electrons 9.10938291*10^-31 kgprotons 1.67262178*10^-27 kgneutrons 1.6749*10^-27 kgthe mass of the electrons is much smaller than both, the mass of the proton and neutronstherefore, 1) the mass of 2 electrons is the smallest


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