Unit 2: Molecular and Ionic Compound Structure and Properties

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Substitutional alloys

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23 Terms

1

Substitutional alloys

________ occur when metals of similar radii combine.

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2

electrostatic force

The elements are held together by ________ because the positively charged cation is attracted to the negatively charged anion.

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3

Noble gases

________ can sometimes bond because of their empty d- orbital.

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4

potential energy

When two atoms are too close, the ________ is high, and the nuclei reset each other.

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5

Covalent substances

________ never conduct electricity, including pure water.

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6

Metals

________ can be made into alloys.

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7

anion

To bond, the cation gives up the electron (s) entirely to the ________.

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8

Ionic substances

________ can not conduct as solids because of the electrons stuck in the lattice structure.

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9

Interstitial alloys

________ occur when there are two metals with vastly different radii combine.

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10

Network covalent bonds

________ as solids are held together in a lattice of covalent bonds which makes them very hard, very high melting point and boiling point.

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11

sea of electrons

the electron organization for metallic bonds

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12

ionic bonds

formed when a metal and nonmetal bonds

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13

metallic bonds

formed when two metals bond

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14

molecular covalent bonds

formed when two nonmetals bond

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15

network covalent bonds

solids held together in covalent bonds (mainly containing carbon or silicon).

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16

resonance forms

different, equivalent forms of drawing the same molecule in a lewis dot structure

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17

formal charge

the most likely version of a lewis dot structure to form

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18

molecular geometry

the three dimensional structure or arrangement of atoms in a molecule; based on the number of lone pairs and bonds

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19

linear molecular geometry

two electron pairs

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20

trigonal planar geometry

three electron pairs

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21

tetrahedral geometry

four electron pairs

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22

trigonal bipyramidal geometry

five electron pairs

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23

octahedral geometry

six electron pairs

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