3Ba + N2 -----> Ba3N2
Ba is in the second group and metal, its charge = +2 in the compound.
N is non-metal, it is in 15th group, so it has 5 electrons on the last level, so it can take 3 electrons more(8-5=3). N has charge (-3) in compound.
Ba and N form compound Ba3N2.
Answer:
<h3>C6H5CO2H (aq) + H2O (l) _C6H5CO2<em>-</em><em> </em><em>+</em><em> </em><em>H3O</em></h3>
I think that the answer is probably b-the liquid water particles turn into water vapor that spreads in the air