Chemistry
Atomic Structure
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#89 When an electron is in ground state, it has:
A) Minimum energy
B) Maximum energy
C) Zero energy
D) Infinite energy
Answer: A
#90 Which orbital has a spherical node?
A) 2s
B) 2p
C) 3d
D) 1s
Answer: A
#91 Degenerate orbitals have the same:
A) Shape only
B) Size only
C) Energy
D) Spin
Answer: C
#92 Number of angular nodes equals:
A) n - l - 1
B) l
C) 2l + 1
D) n
Answer: B
#93 Penetration power within the same shell is highest for:
A) p orbitals
B) s orbitals
C) d orbitals
D) f orbitals
Answer: B
#94 Penetration order within a shell is:
A) p > s > d > f
B) s > p > d > f
C) d > p > s > f
D) f > d > p > s
Answer: B
#95 Which subshell fills after 3p?
A) 3d
B) 4s
C) 4p
D) 5s
Answer: B
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