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5 votes
Which accounts for most of the mass of an atom?

electron
protons
neutrons and protons
electrons and neutrons

2 Answers

6 votes
The majority of an atoms mass comes from the protons and neutrons.
User Astaroth
by
5.4k points
2 votes

Answer:

electron

Step-by-step explanation:

my guts tell me that

User Kerokero
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5.1k points