Answer:
It would change the charge of the atom.
Explanation:
Added electrons cause atoms to be negatively charged, lost electrons cause atoms to be positively charged.
I believe the answer is 47.25g
let me know if you need the workings i'll try and put it up
B. False, have a connection between chemistry and physis
Na is cation so it loses electron to be positive and become stable losing one valence shells one electron so it's oxidation number is +1 ie A is correct