CHEM 1010 Week 12 Quiz WITH complete verified solutions 2024
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Course
Chem 1010
Institution
Chem 1010
Ionic bonds:
are characterized by electrostatic attraction of opposite charges between atoms
consist of a uniform distribution of atomic nuclei surrounded by delocalized electrons
are arranged as individual bonds between a single cation and a single anion
are characterized by the mutual...
are characterized by electrostatic attraction of opposite charges between
atoms
consist of a uniform distribution of atomic nuclei surrounded by
delocalized electrons
are arranged as individual bonds between a single cation and a single
anion
are characterized by the mutual attraction of shared electrons between
atoms
are characterized by electrostatic attraction of opposite charges between
atoms
Transition metals:
typically gain electrons to fill the outermost d orbital and form anions
typically gain or lose the number of valence electrons required to
completely fill the outermost s and p orbitals
lose electrons from orbitals in the reverse order that the orbitals are filed
typically lose the outermost s electrons to form cations
typically lose the outermost s electrons to form cations
The most likely electronic structure for a Co2+ ion is
[Ar] 3d7
[Ar] 4s2 3d7 4p2
[Ar] 4s2 3d9
[Ar] 4s2 3d5
[Ar] 3d7
, A polar covalent bond:
has a very small or zero electronegativity difference between the bonded
atoms, resulting in a nonpolar bond
has a moderate electronegativity difference between the bonded atoms,
resulting in a nonpolar bond
has a very large electronegativity difference between the bonded atoms,
resulting in a polar bond
has a moderate electronegativity different between the bonded atoms,
resulting in a polar bond
has a moderate electronegativity different between the bonded atoms,
resulting in a polar bond
Electronegativity:
can be used as a guide to help predict if a bond will be covalent or polar,
but can't provide definite conclusions on bond character
can be measured very accurately in laboratory experiments
is the energy change when an atom gains an electron
is the tendency of an atom to repel electrons in a bond
can be used as a guide to help predict if a bond will be covalent or polar,
but can't provide definite conclusions on bond character
What is the correct Lewis symbol for a silicon atom?
In a Lewis structure, a double bond is symbolized by:
six electrons that are shared between two atoms
two electrons that are not used in bonding
two electrons that are shared between two atoms
four electrons that are shared between two atoms
four electrons that are shared between two atoms
According to the octet rule, how many bonds is fluorine likely to make?
1
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