What is the atomic number of an element that has 43 protons and 50 neutrons?
1 answer:
The atomic number is based on the number of protons, so the atomic number would be 43
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The answer is B
Hope this helped. Good luck!
Answer:
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Answer: I think it's B.
Explanation:
Answer:
I'd Go. B. weigh everything, let the reaction happen, then weigh everything again.
That would be phosphorus. It’s electron configuration is 1s^2 2s^2 2p^6 3s^2 3p^3
