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5-2 "Forming Solids" Vocabulary
N/A
21
Chemistry
8th Grade
03/02/2011

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Term
metals
Definition
elements that are usually shiny, good conductors of heat and electricity, and are solid at room temperature
Term
metallic bond
Definition
a bond formed when many metal atoms share their pooled electrons
Term
physical property
Definition
any charactertistic of a material that can be observed without changing the identity of the material itself
Term
malleability
Definition
the ability of a material to be hammered or rolled into sheets
Term
ductility
Definition
the ability of a substance to be pulled into wires
Term
crystal
Definition
regular, repeating arrangment of atoms, ions, or molecules
Term
unit cell
Definition
the smallest, repeating pattern that shows how the atoms, ions, or molecules are arranged in a crystal
Term
polymer
Definition
a covalent compound made up of many small, repeating units linked together in a chain
Term
monomer
Definition
a small molecule that forms a link in a polymer chain
Term
synthetic
Definition
produced artificially; man-made
Term
International System of Units
Definition
system of weights and measures using decimals in which the gram, meter, and liter are basic units of mass, length, and volume
Term
light-year
Definition
the distance light travels in one year
Term
mass
Definition
measure of the number of atoms in an object
Term
volume
Definition
the amount of space occupied by a 3-D object
Term
liter
Definition
metric unit of liquid volume
Term
gram
Definition
standard unit of mass
Term
temperature
Definition
the measure of the kinetic energy of all particles in an object
Term
Celsiuis
Definition
a metric temperature scale in which 0 degrees is the freezing point and 100 degrees is the boiling point
Term
Astronomical Unit (AU)
Definition
the average distance from the Sun to the Earth
Term
meter
Definition
standard unit of length
Term
length
Definition
the longest measure of an object
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