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Byju's Answer
Standard IX
Chemistry
Atoms
How many neut...
Question
How many neutrons and protons are there in the following nuclei?
13
6
C
,
16
8
O
,
12
24
M
g
,
56
26
F
e
,
88
38
S
r
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Solution
The number of neutrons and protons are shown below.
Nucleus
Atomic number, Z
Mass number, A
Number of protons
=
atomic number
Number of neutrons
=
A
−
Z
13
6
C
6
13
6
13
−
6
=
7
16
8
O
8
16
8
16
−
8
=
8
24
12
M
g
12
24
12
24
−
12
=
12
56
26
F
e
26
56
26
56
−
26
=
30
88
38
S
r
38
88
38
88
−
38
=
50
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