1
Q:
| A) a particle having 9 protons, 9 neutrons, and 10 electrons | B) a particle having 19 protons, 21 neutrons, and 19 electrons |
| C) a particle having 14 protons, 14 neutrons, and 14 electrons | D) a particle having 1 proton, 3 neutrons, and 1 electron |
Answer: A) a particle having 9 protons, 9 neutrons, and 10 electrons
Explanation:
Explanation:
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