Sodium forms a 1+ ion, while fluorine forms
a l-ion. Write the electron configuration for each ion.
Why don't these two elements form 2+ and 2-ions,
respectively?

away from the curb

explanation:

the wheels would then hit the curb if it started to rolling, decreasing the chance of an accident.

the answer is definitely c.

in the analysis of systems that involve fluid flow, we frequently encounter the combination of properties u and pv.