What is a photon? A. A packet of light energy
O B. A negatively charged subatomic particle
O c. A constant used to find frequency
D. A positively charged subatomic particle

What is the mass of 8 moles of sodium atoms

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.

What is the mass of 0.750 mole of aluminum oxide, al2o3?