The correct answer is 30 seconds
I don’t get it. What is the question asking?
Answer:
uy pasagot kung nasagutan mo na pls wala pa akong sagot jan
Answer:
They aren't listed as a whole number, because an atom's mass is not always a whole number. The mass differs between types of atoms as well.
Answer:
You didn't show which element it is. The proton is the atomic number, the electron is the same number of protons, and the neutron is the atomic mass rounded to the nearest whole number minus the proton.
Explanation:
