Respuesta :
Question: Over 99% of the mass of an atom is located?
Answer: in the nucleus
Explanation: because an atom is contained in the dense nucleus atoms and hydrogen remain in the nucleus
question answered by
(jacemorris04)
Hi There!
Question - Over 99% of the mass of an atom is located...
Answer - in the nucleus
Why - The amount of protons equals the amount of outer electrons which creates a natural charge (found in nucleus). All or most of the mass in an atom is in the nucleus.
Hope This Helps :)