Sodium-23 ions are produced by the removal of a single electron from an atom of sodium 1123Na^{23}_{11}\text{Na}1123Na.
What is the magnitude of the specific charge of the sodium-23 ion?
3.8 ×\times× 10^{-26} C kg−1\text{ C kg}^{-1} C kg−1
7.0 ×\times× 10^{-21} C kg−1\text{ C kg}^{-1} C kg−1
4.2 ×\times× 10^6 C kg−1\text{ C kg}^{-1} C kg−1
4.6 ×\times× 10^7 C kg−1\text{ C kg}^{-1} C kg−1