I have an oxidation number of -3 and I have 5 energy levels. What element am I? A. Yttrium
B. Phosphorus
C. Antimony
D. Bismuth

Suppose you mix one mole of sulfuric acid (h2so4) with 1 mole of sodium hydroxide(naoh). why does the ph of the solution remain below 7? ( explain so i can get better understanding! )

How do you determine the percent yield of a chemical reaction

Determine the osmotic pressure at 25 °c of an aqueous solution that is 0.028 m nano3. a) 0.685 atm b) 0.0729 atm c) 1.37 atm d) 0.0364 atm e) 2.06 atm