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Pearson Interactive Science Book lsn 3.2 Classifying Matter
vocabulary terms
7
Science
6th Grade
11/26/2012

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Term
element
Definition
a substance that cannot be broken down into any other substance by either chemical or physical means.
Term
molecule
Definition
a group of two or more atoms held together by chemical bonds
Term
atom
Definition
the basic particle from which all elements are made
Term
mixture
Definition
made of two or more substances that are together however, their atoms are not chemically bonded
Term
compound
Definition
a substance made of two or more elements that are chemically combined in a set ratio
Term
chemical bond
Definition
a force of attraction between two atoms
Term
chemical formula
Definition
represents a compound that shows the elements in the compound and the ratio of atoms
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