Answer:
A
Explanation:
When given "Exo," think of "exit" meaning heat escapes or is given off where "endo" means absorbed
4 hours
8
1 copper atom has 29 protons so, 1
proton we can say has 1/29 copper atoms
then, 232 protons will make (1/29)×232 copper atoms which is equal to 8
Answer: 1.01 atomic mass units or amu
Initial: