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How do I solve this?
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3 votes
How do I solve this?

How do I solve this?-example-1
User Zenoh
by
8.2k points

1 Answer

2 votes

Answer:

C

Step-by-step explanation:

Particles inside the nucleus = protons + neutrons = mass number = 84

particles outside = electrons number = atomic number

User Edu Ruiz
by
8.7k points
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