abeka chemistry 11 section 9.3

quiz over this and 9.4 on 1/10

ionic bond

chemical bond in which positively charged ions are electrically attracted to negatively charged ions

ionic compound

compound held together by ionic bonds

empirical formula

simplest ratio of atoms in a compound

ionic

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an ______ compound does not consist of molecules

farther

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the more _______ apart a metal and nonmetal are, the more closely the anion holds its electrons and the more ionic the bond is

1. electricity

2. heat

3. malleable / ductile

4. shiny and highly reflective

5. high melting and boiling points

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with metals,:

1. they are good conductors of _________

2. they are good conductors of _____

3. they are _______, meaning that they can be hammered into shapes, and ______, meaning that they can be drawn into wires

4. most are ______ and ______ _______

5. most have very ______ ________ and ______ _______

metallic bonds

chemical bonds in which metal atoms are surrounded by delocalized electrons

delocalized electrons

electrons that circulate freely throughout a molecule or crystal instead of being bound to a single atom or pair of atoms

1. electricity

2. malleable and ductile

3. reflective

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the large number of freely circulating electrons gives metals their characteristic properties: 

1. good conductors of ________

2. ________ and _______

3. highly ________

covalent

sharing of one of more electron pairs between two atoms

ionic

electrostatic force of attraction between ions

metallic

delocalized electrons cloud around metal atoms

covalent

atoms of nonmetals of similar electronegativity

ionic

atoms of metals and nonmetals having widely different electronegativities

metallic

atoms of metallic elements

bond character

contribution of each bonding type to a bond

ionic

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a bond is considered predominantly _____ if the electronegativity difference between the two bonded atoms is greater than 1.7

1.7

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a bond is considered predominantly ionic if the electronegativity difference between the two bonded atoms is greater than _____