Calculate the number of vanadium atoms in a 120.0 g sample of vanadium(V) oxide (V2O5)- Be sure your answer has a unit symbol if necessary, and round it to 4 significant digits.​

Adeuteron, 21h, is the nucleus of a hydrogen isotope and consists of one proton and one neutron. the plasma of deuterons in a nuclear fusion reactor must be heated to about 3.02×108 k . what is the rms speed of the deuterons? express your answer using two significant figures.