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 Electron Dot Diagram
100
Metal+Metal
What is Metallic
100
The electrostatic force that holds ions together in an ionic compound.
What is Alloy
100
Chemical bond that results from the sharing of valence electrons
What is Covalent Bond
100
The three-dimensional arrangement of atoms in a molecule.
What is Molecular Geometry
200
Used to describe two atoms or ions that have the same electron configuration.
What is isoelectronic
200
The number of ions that immediately surround an ion of the opposite charge within a crystal lattice.
What is Coordination Number
200
The most efficient way to pack spherical objects.
What is Closest Packing
200
A single pair of electrons is shared Number of bonds depends on the valence electrons Wants to have 8
What is Single Covalent Bonds
200
The outermost occupied shell of electrons in an atom.
What is Valence Shell
300
States that elements tend to form compounds in ways that give each atom eight valence electrons
What is The Octet Rule
300
The lowest whole number ratio of the ions present in an ionic compound.
What is Formula Unit
300
The attraction of the stationary metal cations to the surrounding mobile electrons.
What is Metallic Bond
300
Share more than one pair of electrons between two atoms
What is Multiple Covalent Bonds
300
Uses letter symbols and bonds to show relative positions of atoms in a covalent compound
What is Structural Formula
400
Metal+Nonmetal High melting point Hard but brittle Dissolved water (Conduct only when dissolved) Crystal Lattice
What is Ionic
400
An electrically neutral compound consisting of positive and negative ions.
What is Ionic Compound
400
Malleable - Hammered into sheets Ductile - Drawn into wire Luster - Shiny appearance Conductors of heat and electricity
What is Characteristics of Metals
400
The use of two or more Lewis structures to represent the covalent bonding in a molecule.
What is Resonance
400
The total number of electron pairs, both bonding pairs and lone pairs, leads to what
What is Electron Domain Geometry
500
Nonmetal+Nonmetal Low melting point Don’t conduct in solid or in water Sometimes dissolved
What is Covalent
500
The electrostatic force that holds ions together in an ionic compound.
What is Ionic Bond
500
Form an extended three dimensional array of alternating cations and anions Maximizes the attractive force between the oppositely charged ions
What is Ionic Compounds
500
A molecule that contains exactly two atoms.
What is Diatomic Molecule
500
States that 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 or VSEPR
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