Incorrect...maybe studying the polyatomic ions would help. There is most definitely oxygen in titanium (II) phosphate. Phosphate is PO4 (-3), which means that there are 4 oxygen molecules. However, since titanium (II) phosphate has the formula of Ti3(PO4)2, you must multiply the number of oxygen and phosphate molecules by 2, giving you 8 oxygen molecules in total. Then you would multiply 8 by avogadro's number of atoms (6.022 x 10^23) since there are that many atoms in one mole of a substance.
AP Chemistry student :)