8.1
8.2
8.3
9.1
9.2
100
Shows the valence electrons of an atom as dots distributed around the element’s symbol
What is an electron dot diagram
100
electrically neutral compound consisting of positive and negative ions
What is ionic compound
100
alloys are a mixture of these
What is a metal
100
contains exactly two atoms
What is a diatomic molecule
100
VSEPR stands for
What is valence shell electron pair repulsion
200
Number of electrons allowed in an electron dot diagram
What is eight electrons
200
Attracts nonmetals
What is a metal
200
largest packing structure
What is hexagonal structure
200
The structures of molecules that are held together by covalent bonds can be diagrammed by
What is a Lewis Electron-Dot Structure
200
three-dimensional arrangement of atoms in a molecule
What is molecular geometry
300
Positively charged ions
What is cation
300
lowest whole number ratio of the ions present in an ionic compound
What is formula unit
300
the most efficient way to pack spherical objects
What is closest packaging
300
energy required to break a covalent bond between two atoms.
What is bond energy
300
outermost occupied shell of electrons in an atom.
What is valence shell
400
states that elements tend to form compounds in ways that give each atom eight valence electrons
What is the octet rule
400
electrostatic force that holds ions together in an ionic compound
What is an ionic bond
400
is the attraction of the stationary metal cations to the surrounding mobile electrons.
What is a metallic bond
400
exceptions to the octet rule
What is (1) an incomplete octet, (2) odd-electron molecules, and (3) an expanded octet.
400
total number of electron pairs, both bonding pairs and lone pairs, leads to what is called
What is electron domain geometry
500
Negatively chargen ion
What is anion
500
number of ions that immediately surround an ion of the opposite charge within a crystal lattice.
What is a coordination number
500
a mixture composed of two or more elements, at least one of which is a metal
What is an alloy
500
the use of two or more Lewis structures to represent the covalent bonding in a molecule
What is reasonance
500
a molecule will adjust its shape so that the valence electron pairs stay as far apart from each other as possible
What is valence-shell electron pair repulsion model
M
e
n
u