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Study Guide: Chemical Bonding
Terms in this set (32)
the force that holds atoms or ions together as a unit
the force that holds cations and anions together
an atom or group of atoms that has a positive or negative charge
an ion with a positive charge
an ion with a negative charge
notation that shows what elements a compound contains and the ratio of the atoms or ions of these elements in the compound
EX: H20 or CO2
solids whose particles are arranged in a lattice structure
a chemical bond in which two atoms share a pair of valence electrons (TWO NONMETALS)
a neutral group of atoms that are joined together by one or more covalent bonds.
Polar Covalent Bond
a covalent bond in which electrons are not shared equally
a covalently bonded group of atoms that has a positive or negative charge and acts as a unit
the attraction between a metal cation and the shared electrons that surround it.
a mixture of two or more elements, at least one of which is a metal, that has one of which is a metal, that has a characteristic properties of a metal.
Metal and Nonmetal
Metals _________ electrons to match the number of valence electrons of their nearest Noble Gases
____________ Ions form when the number of electrons are less than the number of protons
Ionic bonds formed by__________
transfer of electrons
Properties of Ionic bonds.
Conductors have high melting point
Between nonmetal and nonmetal
How are Covalent bonds formed?
formed by sharing electrons
Every element wants to reach a ___________
Covalent bonds are/are not conductors at any state
Bonds in all the polyatomic ions and diatomic are all ____________ bonds
Nonpolar Covalent bonds
when electrons are equally shared
when electrons are shared but unequally
bonds found in metal; holds metal atoms together very strongly
How are metallic bonds formed?
between metal and metal
Properties of metallic bonds?
good conductors are all states, lustrous, vert high melting point
Drawing Ionic bonds
Drawing Covalent bonds
Criss- Cross Method for Ionic Bonds
O-2 Mg+2 cancel out
F-1 B+3 F3 subscript B
REMEMBER TO LOOK AT THE HOMEWORK, CLASSWORK
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