the electrostatic force that holds ions together in an ionic compound
What is an ionic bond?
100
the attraction of the stationary metal cations to the surrounding mobile electrons
What is a metallic bond?
100
chemical bonding that occurs in molecular compounds is a sharing of valence electrons called
What is covalent bonding?
100
technique for predicting the molecular geometry of a molecule
What is VSEPR theory?
200
shows the valence electrons of an atom as dots distributed around the element’s symbol
What is an Electron Dot Diagram?
200
One or more electrons are transferred from a metal atom to a nonmetal atom to form
What are ions?
200
the most efficient way to pack spherical objects
What is closest packing?
200
occur when one of the atoms involved in the bond contributes both shared electrons
What are coordinate covalent bonds?
200
geometries that are based on the total number of electron pairs
What is electron domain?
300
states that elements tend to form compounds in ways that give each atom eight valence electrons
What is the octet rule?
300
hard and have high melting points, difficult to break but are also very brittle, conduct electricity only when melted or dissolved in water are properties of
What are ionic compounds?
300
a mixture composed of two or more elements, at least one of which is a metal
What is an alloy?
300
occurs when more than one valid Lewis structure can be drawn for a molecule
What is resonance?
300
geometries that describe the arrangement of atoms and bonding pairs in a molecule
What is molecular?
400
used to describe two atoms or ions that have the same electron configuration
What is Isoelectronic?
400
the number of nearest neighbors that it has within the crystal lattice
What is the coordination number?
400
high electrical and thermal conductivity, malleability, ductility, and luster are properties of
What is metals?
400
the energy required to break a covalent bond
What is bond energy?
400
outermost occupied shell of electrons in an atom
What is valence shell?
500
When forming ions, _____ lose their valence s-sublevel electrons before they lose their d-sublevel electrons
What are transition metals?
500
lowest whole number ratio of the ions present in an ionic compound
What is a formula unit?
500
arranged in regular, orderly patterns that often correspond to various closest packing arrangements for spheres
What are metal atoms?
500
The atoms in a polyatomic ion are held together by
What is covalent bonding?
500
molecular geometry is called ____ because a surface covering the molecule would have eight sides