Sodium azide, $\text{NaN}_3$, is an explosive substance used to fill airbags in cars during crashes. It is made up of positive sodium ions and negative azide ions. What are the numbers of electrons in the sodium ion and the azide ion?
- Asodium ion: $10$, azide ion: $20$
- Bsodium ion: $10$, azide ion: $22$
- Csodium ion: $12$, azide ion: $20$
- Dsodium ion: $12$, azide ion: $22$