Which of the following statements describes the elements in group 16 of the periodic table? No links! ​

Calculate the number of molecules present in 0.750 mol of mgo.

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.

Which suspect most likely committed the robbery and how do you know