Convert 6.71x1024 atoms of chloride to moles of chlorine.

Ive had this before. your answer would be d. hope this ya

The answer is the third option extremely gradual

Small amounts of matter are converted intolarge amounts of energy occurs in both fusion and fission reactions. they are nuclear reactions where a change in the identity or characteristics of an atomic nucleus results when it is bombarded with an energetic particle, as in fission, fusion, or radioactive decay.