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Chemical
9 9 Bonds
A chemical change occurs when iron rusts, and rust is a different substance
with different physical and chemical properties than iron. This rusted anchor
makes a colorful display on the bow of a grain ship.
CORE CONCEPT
Electron structure will explain how and why atoms join together in certain numbers.
OUTLINE
9.1 Compounds and Chemical Change
Compounds and Chemical 9.2 Valence Electrons and Ions Valence Electrons and Ions
Change 9.3 Chemical Bonds Atoms have a tendency to seek
Chemical reactions are changes Ionic Bonds more stable half-filled or filled
in matter in which different Energy and Electrons in Ionic Bonding outer orbital arrangements of
Ionic Compounds and Formulas
substances are created by forming Covalent Bonds electrons.
or breaking chemical bonds. Covalent Compounds and Formulas
Multiple Bonds
9.4 Bond Polarity Ionic Bonds
Chemical Bonds 9.5 Composition of Compounds An ionic bond is a chemical
A chemical bond is an attractive Ionic Compound Names bond of electrostatic attraction
force that holds atoms together in Ionic Compound Formulas between ions.
Covalent Compound Names
a compound. Science and Society: Microwave Ovens
and Molecular Bonds
Covalent Compound Formulas
People Behind the Science: Linus Carl Pauling Bond Polarity
If an ionic or covalent bond
Covalent Bonds is formed, it is a result of the
A covalent bond is a chemical comparative ability of atoms of
bond formed by the sharing of an element to attract bonding
electrons. electrons.
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