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Physical Properties of Elements - Vocab
Physical properties of elements vocabulary - 7th grade science
12
Science
7th Grade
02/28/2011

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Term
Brittle
Definition
having hardness and rigidity but little tensile strength; breaking readily with a comparatively smooth fracture, as glass.
Term
conductivity
Definition
the property or power of conducting heat, electricity, or sound.
Term
ductile
Definition
capable of being hammered out thin, as certain metals; malleable.
Term
luster
Definition
the state or quality of shining by reflecting light
Term
magnetic
Definition
of or pertaining to a magnet or magnetism
Term
malleable
Definition
capable of being extended or shaped by hammering or by pressure from rollers.
Term
metal
Definition
any of a class of elementary substances, as gold, silver, or copper, all of which are crystalline when solid and many of which are characterized by opacity, ductility, conductivity, and a unique luster when freshly fractured
Term
metalloid
Definition
an element that has both metallic and nonmetallic properties, as arsenic, silicon, or boron.
Term
nonmetal
Definition
an element not having the character of a metal, as carbon or nitrogen.
Term
reactive
Definition
tending to react
Term
semiconductor
Definition

 

a substance, as silicon or germanium, with electrical conductivity intermediate between that of an insulator and a conductor
Term
sonorous
Definition
giving out or capable of giving out a sound
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