5.1 Atoms & Bonding & 5.2 Ionic Bonds
About this set
Created by:
ncorliss on November 29, 2010
Subjects:
chemistry, physical science, atoms
Description:
Science Explorer Physical Science
Chapter 5 Atoms and Bonding
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10 terms
Terms | Definitions |
|---|---|
 valence electron | The electrons that are in the highest energy level of an atom and that are involved in chemical reactions |
| electron dot diagram | a representation of the valence electrons in an atom, using dots |
| chemical bond | the force that holds atoms together |
| ion | an atom or group of atoms that has become electrically charged |
| polyatomic ion | an ion that is made of more than one atom |
| ionic bond | the attraction between oppositely charged ions |
| ionic compound | a compound that consists of positive and negative ions |
| chemical formula | a combination of symbols that represents the elements in a compound and their proportions |
| subscript | a number in a chemical formula that tells the number of atoms in a molecule or the ratio of elements in a compound |
| crystal | an orderly, three-dimensional pattern of ions or atoms in a solid |
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