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Can you help me please​
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Can you help me please​

Can you help me please​-example-1
User Hannad Rehman
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3 votes
that person is correct
User Jpiccolo
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6 votes

Answer:

N- 7 protons, 14 mass number

Ca- 20 protons, 20 neutrons, 20 electrons

I- 53 protons, 127 mass number

Cr- Cr, 12 neutrons

Br- 34 protons, 35 electrons, 79 atomic mass

User Jason Spradlin
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