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Standard XII
Chemistry
Introduction to Atomic Structure
Question
The increasing order for the values of
e
/
m
(charge/mass) for electron (
e
), proton (
p
), neutron (
n
) and alpha particle (
α
) is:
n
,
p
,
e
,
α
e
,
p
,
n
,
α
n
,
p
,
α
,
e
n
,
α
,
p
,
e
A
n
,
p
,
α
,
e
B
n
,
α
,
p
,
e
C
e
,
p
,
n
,
α
D
n
,
p
,
e
,
α
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Solution
Verified by Toppr
For neutron
(
n
)
,
e
m
=
0
For proton
(
p
)
=
e
m
×
=
1
1
=
1
F
o
r
e
l
e
c
t
r
o
n
,
(
e
−
)
,
e
m
=
1
1
/
1837
=
1837
For alpha particle
(
α
)
,
e
m
=
2
4
=
0.5
The increasing order for the values of
e
m
is
n
,
α
,
p
,
e
.
Hence, the correct option is
D
.
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