When calculating density do you put the mass quainty in front of the volume ex: 95 g for mass dived by 950 gives .1 ml for density? or am i mistaken

The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.