What type of energy involves the movement of charged particles

An observation that requires measurement is called quantitative observable or qualitative

Which element would mostly likely have an electron affinity measuring closest to zero

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.