Answer:
So, sodium's 11 electrons are arranged this way: 2 electrons in the first "shell", 8 electrons in the second "shell"; and 1 electron (the valence electron) in the third "shell".
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Answer:
pH = 3.0 ya that's it......
Answer:
To find the number of neutrons, subtract the number of protons from the mass number. number of neutrons
Explanation: