Answer:
13
Explanation:
proton plus neutron equal to atomic mass
Answer:
The answer is 11 electron and 11 protons respectively
Explanation:
Since the sodium is in it neutral state, number of electron is the same as the number of proton, which is 11.
Endothermic<span> Reaction??? </span>
4 protons the number of proton has the same number of electron [which is the same as atomic number]
Answer:I think it’s A.Positive. Not sure though.
Explanation:
