A few days ago
What element has 12 neutrons and 1 electron in the 3rd level?
And what is its symbol also?
Top 2 Answers
A few days ago
Favorite Answer
I don’t think Hydrogen can have 12 neutrons ever…..
so I’m going to go out on a limb and assume you mean 1 VALENCE electron in the 3s electron subshell.
If thats the case, then to get to 3s^1, you have:
1s^2, 2s^2, 2p^6, 3s^1 = 11 electrons
11 electrons without oxidation = an 11 proton element
11 protons = Potassium, K
0
A few days ago
Well, their periodic number is the amount of electrons and protons that they contain. So 1 electron would be Hydrogen.
Symbol- H
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