Chem Exam 4 Questions With Detailed
Correct Answers
Chemical bonding involves ______________ - correct answers valence shell electrons
________________ are formed from transfer of electrons - correct answers Ionic compounds
Lattice energy - correct answers energy released when a solid is formed from its ions in gas phase
Covalent bond - correct answers formed from share of electrons
dipole moment with number means molecule is __________ - correct answers polar
When the center of the molecule is the center of change distribution, the molecule is ___________ -
correct answers nonpolar
3 exceptions to the octet rule - correct answers 1. atoms with less than 4 electrons on valence shell
2. odd number of total electrons on valence shell
3. when d orbitals involved in structure
bond angle of linear - correct answers 180
bond angle of trigonal planar - correct answers 120
bond angle of tetrahedral - correct answers 109.5
bond angle of trigonal bipyramidal - correct answers 120 & 90
Correct Answers
Chemical bonding involves ______________ - correct answers valence shell electrons
________________ are formed from transfer of electrons - correct answers Ionic compounds
Lattice energy - correct answers energy released when a solid is formed from its ions in gas phase
Covalent bond - correct answers formed from share of electrons
dipole moment with number means molecule is __________ - correct answers polar
When the center of the molecule is the center of change distribution, the molecule is ___________ -
correct answers nonpolar
3 exceptions to the octet rule - correct answers 1. atoms with less than 4 electrons on valence shell
2. odd number of total electrons on valence shell
3. when d orbitals involved in structure
bond angle of linear - correct answers 180
bond angle of trigonal planar - correct answers 120
bond angle of tetrahedral - correct answers 109.5
bond angle of trigonal bipyramidal - correct answers 120 & 90
