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Chemistry Test 6

Across
Outermost shell of an atom
Group 16 elements
Heat is absorbed in this type of reaction
Exists between all molecules
The 2nd law of thermodynamics states that this is always increasing
Exist between neighboring polar molecules
Type of bond between 2 metals
Primary property used to predict type of bond
Bond that results from the sharing of 4 electrons
Determines the identity of an element
Law of thermodynamics that relates change in internal energy to heat and work
Group 17 elements
Type of bond that tends to produce solids that are malleable
Type of bond present between 2 nonmetals
Type of covalent network
Simplest repeating unit in a crystal
Down
A covalent bond in which the bonding electron pair is pulled closer to the more electronegative element
Rule that states elements tend to react to obtain 8 valence electrons
Type of bond in which there is a transfer of electrons
Theory that states that light is electromagnetic waves traveling as bundles of energy
"packets" of energy
Very hard substances that do not consist of discrete molecules
Energy associated with object's motion
Heat required to cause unit rise in temp of a unit mass of substance
Gas that obeys the assumptions of the kinetic theory perfectly
Type of electrons shared by more than 2 atoms
Reactants --> products + heat
Strong force that exists between molecules that contain Hydrogen combined with a highly electronegative atom
Type of solid whose particles are arranged in a 3D pattern
SI unit of energy
Category of Boron, Silicon, and Germanium
Part of an atom with - charge