Atomic Structure
Bohr model explains:
A) Hydrogen spectrum
B) All molecules only
C) Nuclear fission
D) Organic reactions
Ground state is:
A) Lowest energy state
B) Highest energy
C) Ionized always
D) Excited always
Excited electron returns by emitting:
A) Photon / light
B) Proton
C) Neutron
D) Nucleus
s orbital is:
A) Spherical
B) Dumbbell
C) Clover
D) Linear only
p orbital shape is:
A) Dumbbell
B) Spherical
C) Ring only
D) Cube
Pauli exclusion principle:
A) No two electrons same 4 quantum numbers
B) Electrons attract
C) Protons spin
D) Neutrons pair
Hund rule states:
A) Maximize unpaired electrons
B) Pair first always
C) No orbitals
D) Only s fills
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