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Structure of Atom
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Structure of Atom
Element
Isotope Symbol Proton numbe
r
Nucleon
number
No. of proton
s
No. of neutro
n
No. of electro
n
Carbon Carbon-12
6 12 6 6 6
Carbon-13
6 13 6 7 6
Carbon-14
6 14 6 8 6
C126C136C146
Element
Isotope Symbol Proton numbe
r
Nucleon
number
No. of proton
s
No. of neutro
n
No. of electro
n
Oxygen 0xygen-16
8 16 8 8 8
Oxygen-17
8 17 8 9 8
Oxygen-18
8 18 8 10 8
O168O178O188
Element
Isotope Symbol Proton numbe
r
Nucleon
number
No. of proton
s
No. of neutro
n
No. of electro
n
Sulphur Sulphur -32
16 32 16 16 16
Sulphur -34
16 34 16 18 16
S3216S3416
Example:
Example:
