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Transcript 
Mass
Number
Atomic
Number
12
6
Element
Symbol
C
Mass Number = # protons + # neutrons
12
6
C
This carbon atom
has 6 protons &
6 neutrons.
14
6
C
This carbon atom
has 6 protons &
8 neutrons.
50
23
V
23
11
Na
+1
Charge
Charge = Protons - electrons
11 protons, 12 neutrons, 10 electrons
65
30
Zn
+2
19
9
F
-1
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