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Chapter 6
Vocabulary
11
Chemistry
10th Grade
12/15/2008

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Term
Periodic Law
Definition
When elements are arranged in order of increasing atomic number, there is a periodic repetition of their physical and chemical property.
Term
Metals
Definition
good conductors of heat and electric current.
Term
Nonmetals
Definition
are poor conductors of heat and electric current.
Term
Metalloid
Definition
has properties that are similar to those of metals and nonmetals.
Term
Transition Metals
Definition
the highest occupied "s" sublevel and nearby "d" sublevel contain electrons
Term
Inner Transition Metals
Definition
the highest occupied "s" sublevel and nearby "f" sublevel generally contain electrons.
Term
Atomic Radius
Definition
one half of the distance between the nuclei of two atoms of the same element when the atoms are joined.
Term
Cation
Definition
An ion with a positive charge.
Term
Anion
Definition
A negatively Charged ion.
Term
Ionization Energy
Definition
The energy required to remove an electron from an atom
Term
Electronegativity
Definition
the ability of an atom of an element to attract electrons when the atom is in a compound.
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