Not sure what you are asking. I have two possible answers though...
It could either be more negatively charged, or valence electrons.
The more away from the nucleus a electron is, the more negatively charged it is.
The electrons on the outermost electron shell is valence electrons.
Again, I don't know what you were asking, but one of these answers may be correct.
Answer:
The two ways to measure mass are subtraction and taring.
Data:




<span>
Formula: Dilution Calculations
</span>

<span>
Solving:
</span>





<span>
</span>
Answer:
They both have 7 electrons in their outer shell