How could I use the word *INDICATOR* in a sentence? It's for science.

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.

Nan element’s square on the periodic table, the number with the greatest numerical value represents the

Describe the forces both attractive and repulsive that occur as two atoms move closer together.