Protons Neutrons Electrons

  • Thread starter kingbryant
  • Start date
  • #1

Homework Statement



state the number of protons electrons and neutrons of these:
Magnesium-25
Cu-65


Homework Equations



protons is the same as atomic numbber, same with electrons. NEUTrons is atomic number - atomic mass

The Attempt at a Solution



Magnesium-25 Cu-65
p- 12 p-29
e-12 e-29
n 25-12=13 n-65-29=36

am i right?
 

Answers and Replies

  • #2
G01
Homework Helper
Gold Member
2,665
16
Looks good.
 

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