Chemistry
Theories of Covalent Bonding and Shapes of Molecules
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#17 The bond angle in a methane (CH4) molecule is:
A) 120 degrees
B) 109.5 degrees
C) 90 degrees
D) 180 degrees
Answer: B
#18 The molecular geometry of a water (H2O) molecule is:
A) Linear
B) Bent
C) Tetrahedral
D) Trigonal planar
Answer: B
#19 Which theory explains the formation of covalent bonds by sharing electrons between atoms?
A) Valence Bond Theory
B) Molecular Orbital Theory
C) VSEPR Theory
D) Octet Rule
Answer: A
#20 In which of the following molecules does the central atom undergo sp3 hybridization?
A) CO2
B) CH4
C) SO2
D) NF3
Answer: B
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