Chapter 6: Chemical Bonds

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Mixture of atoms of a metal with an element where the mixtures have metallic properties is called an _____

Alloy

______ type is determined by how atoms attain a _________________

Bond, stable electron configuration

Two shared electrons that make up a pair are called ________

Bonding pair

The electron sea theory accounts for all the following characteristics of metals except

Brittleness

Chapter Title

Chemical Bonds

Because of these inherit properties, atoms naturally link with other atoms to form ___________

Chemical bonds

Matching: CN-

Covalent

Matching: O2

Covalent

Matching: Share

Covalent

Bonds formed by sharing electrons are called ________

Covalent bonds

2 no metals

Covalent; molecule

The noble valence electrons in a metallic bond are said to be _______

Delocalized

Negative charge of the ________ acts as a "glue" to hold the positively charged metal ions together

Delocalized electrons

The measure of an atom's ability to attract electrons to itself when in a chemical bond is called?

Electronegativity

The luster or shine seen on most metals is thought to be cause by the movement of

Electrons

The attraction between opposite, electrical charges is called a/an _________ force

Electrostatic

The ratio of cations to anions needed to achieve this neutrally determines the chemical formula for the compound, called a _______

Formula unit

Explains how metal atoms bond together and why metals have such unique properties is called the electron sea theory or ________

Free electron theory

4+ valence electrons = ______=______

Gain, high electron affinities

Atoms ability to ____ or ____ electrons determines __________

Gain, lose, chemical reactivity

Matching: Na2S

Ionic

Matching: attraction between opposite charged ions

Ionic

Matching: transfer

Ionic

What type of bond would you elect in a compound of oxygen and sodium?

Ionic bond (metal and nonmetal)

Difference of ______ elements electronegativties (delta EN) is typically _________

Ionic, large

1 metal, 1 nonmetal

Ionic; formula unit

_________ are two dimensional diagrams that show the bonds between different atoms

Lewis Structure

-4 valence electrons=______=______

Lose, low electron affinities

Full valence shell (mostly 8)

Maximize stability; octet rule

Matching: B3Al

Metallic

Matching: Electron Sea Theory

Metallic

2 metals

Metallic; alloy

These atoms are covalently bonded into a CONTINUOUS three-dimensional network ex: diamond (hardest natural)

Network covalent substances

An atom becomes more stable by bonding with another atom if the resulting electron configuration is more like what group of elements?

Noble gases

A dash in a Lewis dot structure represents

Pair of electrons

What does *little symbol with plus or minus* mean?

Partial charge

_________is the tendency of an object to form two localized regions of opposite character

Polarity

Although they are made up of two or more atoms _______ ions often act as single charged particles in chemical reactions and solutions

Polyatomic

In certain cases, a covalently bonded anion forms called a _________

Polyatomic ion

Elements rearrange the ______ number of _______ possible in ______ process

Smallest, electrons, bonding

Salt

Sodium chloride

The central atom is a Lewis dot structure is usually the atom

With the most unpaired electrons

Which of the following does NOT exist as s diatomic molecule?

argon

An orderly arrangement of ions in a 3 dimensional pattern within a compound is called

crystal lattice

Which of the following is NOTHING a normal property of an ionic compound?

good heat conductive when dissolved in water


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