CAN SOMEONE THATS GOOD AT CHEM PLEASE HELP ME?!?!

I’LL GIVE 50 POINTS!!!
AND A BRAINIEST!!!

PLEASE I HAVE OTHER HW TO DO:(

CAN SOMEONE THATS GOOD AT CHEM PLEASE HELP ME ILL GIVE 50 POINTS AND A BRAINIEST PLEASE I HAVE OTHER HW TO DO class=