How many elements are found in the following chemical equation? K + Cl → KCl

Which statement describes james chadwick’s discovery.

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.

Consider the four elements above. which one of these elements will combine with oxygen in a 1: 1 ratio?