what are protons
+
what are neutrons
no charge
what are electrons
-
where are electrons locted
on the out side of the nucleus
where are the neutrons locted
in side the nucleus
where are the protons locted
inside the nucleus
what does APE stand for
A atomic number =
P protons =
E electrons
what does MAN stand for
M mass -
A atomic number =
neutrons
What is the top number called
atomic number
What is does the 2 letters repersent
element symbol