1
ACS CHEMISTRY GENERAL EXAM-
COMPREHENSIVE Q&A FOR
CERTIFICATION SUCCESS 2026
Classify the following as an element, compound, or mixture. If it is a mixture,
decide if it is a homogeneous or heterogeneous mixture.
1 Sugar
2 Spaghetti Sauce
3 Phosphorus - correct-answer -1 compound, not a mixture
2 mixture, heterogenous
3 element
Properties that do depend on the amount of matter present. - correct-answer -
extensive
Dz^2 orbital - correct-answer -
Dxy orbital - correct-answer -
, 2
Dx^2y^2 orbital - correct-answer -
List the shape, electron domain geometry, and predicted bond angle of a molecule
with 6 electron domains - correct-answer -Octahedral
90º
List the electron domain geometry & molecular geometry of a molecule with 4
electron domains (4 bonding 0 nonbonding) - correct-answer -electron domain
geometry: tetrahedral
molecular geometry: tetrahedral
List the electron domain geometry & molecular geometry of a molecule with 4
electron domains (3 bonding 1 nonbonding) - correct-answer -electron domain
geometry: tetrahedral
molecular geometry: trigonal pyramidal
ex: NH3
, 3
List the electron domain geometry & molecular geometry of a molecule with 3
electron domains (2 bonding 1nonbonding) - correct-answer -electron domain
geometry: trigonal planar
molecular geometry: bent
List the electron domain geometry & molecular geometry of a molecule with 3
electron domains (3 bonding 0 nonbonding) - correct-answer -electron domain
geometry: trigonal planar
molecular geometry: trigonal planar
List the electron domain geometry & molecular geometry of a molecule with 2
electron domains (2 bonding 0 nonbonding) - correct-answer -electron domain
geometry: linear
molecular geometry: linear
List the electron domain geometry & molecular geometry of a molecule with 4
electron domains (2 bonding 2 nonbonding) - correct-answer -electron domain
geometry: tetrahedral
molecular geometry: bent/nonlinear
ex: H2O
, 4
List the electron domain geometry & molecular geometry of a molecule with 5
electron domains (5 bonding 0 nonbonding) - correct-answer -electron domain
geometry: trigonal bipyramidal
molecular geometry: trigonal bipyramidal
ex: PCl5
List the electron domain geometry & molecular geometry of a molecule with 6
electron domains (6 bonding 0 nonbonding) - correct-answer -electron domain
geometry: octahedral
molecular geometry: octahedral
ex: SF6
List the electron domain geometry & molecular geometry of a molecule with 6
electron domains (5 bonding 1 nonbonding) - correct-answer -electron domain
geometry: octahedral
molecular geometry: square pyramidal
ex: BrF5
List the electron domain geometry & molecular geometry of a molecule with 5
electron domains (2 bonding 3 nonbonding) - correct-answer -electron domain
geometry: trigonal bipyramidal
molecular geometry: linear
ex: I3-
ACS CHEMISTRY GENERAL EXAM-
COMPREHENSIVE Q&A FOR
CERTIFICATION SUCCESS 2026
Classify the following as an element, compound, or mixture. If it is a mixture,
decide if it is a homogeneous or heterogeneous mixture.
1 Sugar
2 Spaghetti Sauce
3 Phosphorus - correct-answer -1 compound, not a mixture
2 mixture, heterogenous
3 element
Properties that do depend on the amount of matter present. - correct-answer -
extensive
Dz^2 orbital - correct-answer -
Dxy orbital - correct-answer -
, 2
Dx^2y^2 orbital - correct-answer -
List the shape, electron domain geometry, and predicted bond angle of a molecule
with 6 electron domains - correct-answer -Octahedral
90º
List the electron domain geometry & molecular geometry of a molecule with 4
electron domains (4 bonding 0 nonbonding) - correct-answer -electron domain
geometry: tetrahedral
molecular geometry: tetrahedral
List the electron domain geometry & molecular geometry of a molecule with 4
electron domains (3 bonding 1 nonbonding) - correct-answer -electron domain
geometry: tetrahedral
molecular geometry: trigonal pyramidal
ex: NH3
, 3
List the electron domain geometry & molecular geometry of a molecule with 3
electron domains (2 bonding 1nonbonding) - correct-answer -electron domain
geometry: trigonal planar
molecular geometry: bent
List the electron domain geometry & molecular geometry of a molecule with 3
electron domains (3 bonding 0 nonbonding) - correct-answer -electron domain
geometry: trigonal planar
molecular geometry: trigonal planar
List the electron domain geometry & molecular geometry of a molecule with 2
electron domains (2 bonding 0 nonbonding) - correct-answer -electron domain
geometry: linear
molecular geometry: linear
List the electron domain geometry & molecular geometry of a molecule with 4
electron domains (2 bonding 2 nonbonding) - correct-answer -electron domain
geometry: tetrahedral
molecular geometry: bent/nonlinear
ex: H2O
, 4
List the electron domain geometry & molecular geometry of a molecule with 5
electron domains (5 bonding 0 nonbonding) - correct-answer -electron domain
geometry: trigonal bipyramidal
molecular geometry: trigonal bipyramidal
ex: PCl5
List the electron domain geometry & molecular geometry of a molecule with 6
electron domains (6 bonding 0 nonbonding) - correct-answer -electron domain
geometry: octahedral
molecular geometry: octahedral
ex: SF6
List the electron domain geometry & molecular geometry of a molecule with 6
electron domains (5 bonding 1 nonbonding) - correct-answer -electron domain
geometry: octahedral
molecular geometry: square pyramidal
ex: BrF5
List the electron domain geometry & molecular geometry of a molecule with 5
electron domains (2 bonding 3 nonbonding) - correct-answer -electron domain
geometry: trigonal bipyramidal
molecular geometry: linear
ex: I3-