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Atomic/Mass number to number of Subatomic Particles


For Tow Atoms


x
y
V

mass number atomic number

element

a
b
W

mass number atomic number

element


First Element Second Element
p+ p+
e- e-
n n



For One Atom


A
z
X

mass number atomic number

element


Element
p+
e-
n



For One Ion


A
z
Xv

mass number atomic number

element oxidation number


Ion
p+
e-
n