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Atomic Structure (F)
10 Questions
|
By Zafar Iqbal | Updated: Jun 15, 2021
| Attempts: 12
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Question
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1.
For which species Bohr's theory does not apply?
H
He+
Li2+
Be
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About This Quiz
.
2.
What first name or nickname would you like us to use?
You may optionally provide this to label your report, leaderboard, or certificate.
2.
Which one of the following is not isoelectronic pair?
Mg2+, Be2+
N3-, O2-
N3-, F-
F1-, Al3+
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3.
Which of the following configuration is not correct according to Hund's rule?
A
B
C
Option 4
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4.
From discharge tube experiments it is concluded that:
Mass of a proton is in fraction
Matter contained electron
Nucleus contains positive charge
Positive rays are heavier than proton
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5.
The energy of an electromagnetic radiation 3 m 10
-12
ergs. What is its wave length in nano meter
400
228.3
3000
662.5
Submit
6.
Which one of the following statement is not correct?
Rydberg's constant and wave number have same unit
Lyman series of hydrogen spectrum occurs in the ultraviolet region.
The angular movement of the electron in the ground state of hydrogen atom is equal to h/2𝝅
The radius of first Bohr orbit of hydrogen atom is 2.116 ×108 cm.
Submit
7.
The third line in Balmer sereis corresponds to an electronic transfer between which Bohr's orbit in hydrogen.
5 → 3
5 → 2
4 → 3
4 → 2
Submit
8.
The electronic configuration of species M
2+
is 1s
2
, 2s
2
, 2p
6
, 3s
2
, 3p6,3d
6
and its atomic weight is 56 amu, the number of neutron in the nucleus of species M is
20
26
28
30
Submit
9.
When an electron of charge 'e' and mass 'm' moves with velocity 'v' about the nuclear charge Ze in a circular orbit of radius 'r', the P.E. of electron is given by
Ze2/r
-Ze2/r
Ze2/r2
Mv2/r
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10.
Which of the following does not tell about shells of an atom?
Principle quantum number , n
Azimuthal quantum number, l
Magnetic quantum number, m
Spin quantum number, s
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Answered (
)
For which species Bohr's theory does not apply?
Which one of the following is not isoelectronic pair?
Which of the following configuration is not correct according to ...
From discharge tube experiments it is concluded that:
The energy of an electromagnetic radiation 3 m 10-12 ergs....
Which one of the following statement is not correct?
The third line in Balmer sereis corresponds to an electronic...
The electronic configuration of species M2+ is 1s2, 2s2, 2p6,...
When an electron of charge 'e' and mass 'm' moves with...
Which of the following does not tell about shells of an atom?
X
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X
OK
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X
OK
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