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Chemistry 3-3
Bonding
| Question | Answer |
|---|---|
| a mutual electrical attraction between the nuclei and valence electrons of different atoms that bind the atoms together | chemical bond |
| why do atoms bond? | they are trying to reduce their potential energy. they want to be in a more stable state. |
| what determines the type of bond formed? | the way in which the electrons are redistributed |
| chemical bonding that results from the electrical attraction between large number of anions and cations | ionic bonding |
| results from the sharing of electron pairs between 2 atoms | covalent bonding |
| electron configuration in which only the valence electronsare shown as dots around the element's symbol | electron dot notation |
| state the octet rule | chemical compounds tend to form so that each atom, by gaining, losing, or sharing electrons, has 8 electrons in its highest energy level |
| covalent bonds where the electrons are shared equally by the bonded atoms resulting in a balanced distribution of electrical charge | nonpolar |
| covalent bonds with an uneven distribution of electrical charges bc the bonded atoms have an unequal attraction for the shared electrons | polar |
| a neutral group of atoms held together by covalent bonds | molecule |
| list the 7 diatomic molecules | H2, N2, O2, F2, Cl2,Br2, I2 |
| indicates the relative numbers of atoms of each kind of element in a chemical compound by using atomic symbols and subscripts | chemical formula |
| formulas in which atomic symbols represent the nuclei and inner shell electrons | lewis structure |
| show the types and numbers of atoms combined in a single molecule of a molecular compound | molecular formula |
| formula indicates the kind, number, arrangement, and bonds but not the unshared pairs of electrons of the atoms in a molecule | structrual formula |
| the simplest collection of atoms from which an ionic compound's formula can be established | formula units |
| ionic compounds usually exist as___ | crystalline solids |
| the orderly arrangement of ions in an ionic compound | crystal lattice |
| creates the ability for metals to be good conductors of electricity in the solid state | metallic bonding |
| the attraction between the metal's atoms anad the surrounding sea of electrons | metallic bonding |
| the measure of the ability of an atom in a chemical compound to attract electrons | electronegativity |
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lovecamille018
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