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Class 11
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Chemistry
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Structure of Atom
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Medium Questions
Structure Of Atom
Chemistry
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Easy Qs
Med Qs
Hard Qs
>
The aufbau
principle is violated in _______.
A
B
C
D
Medium
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>
In potassium, the order of energy levels is:
A
3s > 3d
B
4s < 3d
C
4s > 4p
D
4s = 3d
Medium
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Which of the following is/are true as per Thomson's model of atom?
A
An atom is not electrically neutral.
B
An atom is a positively charged sphere with electrons embedded in it.
C
Negative and positive charges in the atom are equal in magnitude.
D
None of the above
Medium
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Which of the following energy state is filled by an electron after the completion of
4
p
orbital?
A
5
s
B
3
d
C
4
d
D
4
f
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The
d
z
2
orbital can give room only to:
A
1
0
electrons
B
6
electrons
C
2
electrons
D
4
electrons
Medium
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After completion of ‘
n
p
’ level,
the electron enters into which level according to
(
n
+
p
)
rule?
A
(
n
−
1
)
d
B
(
n
+
1
)
s
C
n
d
D
(
n
+
1
)
p
Medium
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>
Which of the following properties are similar for isotopes?
A
Physical properties
B
Chemical properties
C
Both physical and chemical properties
D
Neither physical nor chemical properties
Medium
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>
To which of the following is Bohr's theory applicable:
I)
H
e
+
II)
L
i
2
+
III) Tritium
IV)
B
e
2
+
The correct combination is:
A
III, IV
B
I, II, III, IV
C
I, II
D
I, II, III
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The atomic number at which filling of a g-orbital is likely to begin is:
A
1
2
1
B
1
1
6
C
1
0
6
D
1
2
4
Medium
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The band spectrum is caused by:
A
molecules
B
atoms
C
any substance in solid state
D
any substance in liquid state
Medium
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