An ion is composed of $1$ nitrogen atom and $2$ hydrogen atoms. It has an $\text{H-N-H}$ bond angle of about $105^\circ$. Which row is correct?
- Anumber of lone pairs around N in ion: $1$; overall charge on ion: $+1$
- Bnumber of lone pairs around N in ion: $2$; overall charge on ion: $+1$
- Cnumber of lone pairs around N in ion: $1$; overall charge on ion: $-1$
- Dnumber of lone pairs around N in ion: $2$; overall charge on ion: $-1$