Picking Units for Bach of Science Advanced

https://preview.redd.it/6ma28iwy6r9e1.png?width=1830&format=png&auto=webp&s=21694f571e06707221fedb5a733dc808c9831416

is 18 units per semester enough for this degree or should i look to do more? It says i have enough to do a full time degree, and all the units ive picked are advanced classes. I tried to add more but all of them seem to require a prereq of Chemistry A Adv and Physics A Adv (im doing double major)