The process that produces chemical elements inside stars is called

nucleosynthesis

Explanation:

The process that produces chemical elements inside stars is called. nucleosynthesis. a supernova explosion. hydrogen fusion.

radiative zone

explanation    

radiative zone is the layer of the sun which energy is transferred away from the core by radiation. although, the core is the only part of the sun that produces an appreciable amount of heat through fusion. in fact, 99% of the energy produced by the sun takes place within 24% of the sun's radius.