Fill in the blanks to complete these sentences about rock characteristics. a rock is an of minerals. the of a rock is a result of its mineral composition. most rocks contain more than one type of .

What is the number of atoms in 3.54 mol s

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.

Can someone me with 3 and 4 plz. this is for masteries test.