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EAMCET
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Chemistry
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Q)
One atom of
39
19
K
contains :
(
a
)
19
p
;
20
n
a
n
d
19
e
−
(
b
)
19
p
;
20
n
a
n
d
20
e
−
(
c
)
20
p
;
10
n
a
n
d
20
e
−
(
d
)
20
p
;
19
n
a
n
d
19
e
−
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