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Answer:
Alpha is when you are the leader of the pack. Beta is the weaker but can become alpha by killing th ealpha.
Explanation:
The atomic mass of an element on the periodic table is the weight of 1 mole of atoms. For example, the atomic mass of Fe is 55.8 on the periodic table. If you weigh out 55.8 grams of Fe you will have 1 mole of iron, or 6.02 x 1023 atoms.