Lesson 1 - Scottsbluff Public Schools

The atomic mass unit is equal to 1.66 x 10-24 gram. Atoms are very, very small. 27 grams of aluminum would contain 6.023 x 1023 atoms of aluminum. Particle Charge Mass Electron -1 Negligible Proton +1 1 amu Neutron 0 1 amu ................
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