The nucleus!! This is made up of protons and neutrons that each weigh about 1 amu.
Electrons are not found in the nucleus and weigh almost nothing so chemistry in school doesn’t bother with them :)
Here ya go if you need the link we’re I found this answer key https://studylib.net/doc/8708211/exam-2---chemistry
The distance from the nucleus at which the electron is most likely to be found
Answer:
They test it using the scientific method.
10 seconds = 8grams
then just divide by 2 another 4 times...
= 0.5grams after 50 seconds
