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Which particles(s) is/are counted in the mass number
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Which particles(s) is/are counted in the mass number

User Quidn
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Answer:

A component's mass number (A) is the amount of the quantity of protons and the quantity of neutrons. The little commitment of mass from electrons is dismissed in ascertaining the mass number.

Step-by-step explanation:

User HaleyBuggs
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