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il63 [147K]
3 years ago
14

The atomic mass of an element is equal to the number of:

Chemistry
2 answers:
aleksklad [387]3 years ago
4 0
Atomic mass is protons and neutrons, because they both have a mass of 1 amu. Electrons have so little mass that they can be ignored. The answer is therefore B, protons plus neutrons
mylen [45]3 years ago
4 0

B is the correct answer

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