How do you think the bonds between carbon atoms might be different in diamond and graphite? What other kinds of allotropes are there? What kinds of properties and atomic bonds do they have?

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.