Drag the tiles to the correct boxes to complete the pairs. The table gives the masses of the three fundamental particles of an atom. Match each combination of particles with its total mass. Round the first factors to four decimal places.

ParticleMass (grams)
proton1.6726 × 10-24
neutron1.6749 × 10-24
electron9.108 × 10-28

two protons and one neutron
two electrons and one proton
one electron, one proton, and one neutron
one proton and two neutrons
Mass
Particles
1.6744 × 10-24 grams
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5.0201 × 10-24 grams
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5.0224 × 10-24 grams
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3.3484 × 10-24 grams
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