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Chemistry Chapter 6 Test

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The amount of energy required to separate a bond.
What is bond energy?
The stronger the bond, the higher the energy
How is bond energy related to bond strength?
equally
Nonpolar molecules share electrons...
unequally
Polar molecules share electrons...
1
Prefix Mono
2
Prefix Di
3
Prefix Tri
4
Prefix Tetra
5
Prefix Penta
6
Prefix Hexa
7
Prefix Hepta
8
Prefix Octa
9
Prefix Nona
10
Prefix Deca
first element
The term mono is not used for the...
1 pair of electrons are shared
What is a single bond?
2 pairs of electrons are shared
What is a double bond?
3 pairs of electrons are shared
What is a triple bond?
An electron pair that is shared among the group of atoms, rather than just 2 atoms.
What is resonance?
to determine the shape of a molecule
What do we use the VSEPR theory for?
linear
What is the shape of an atom with 2 shared e- pairs and 0 unshared e- pairs
triangular planar
What is the shape of an atom with 3 shared e- pairs and 0 unshared e- pairs
tetrahedron
What is the shape of an atom with 4 shared e- pairs and 0 unshared
trigonal pyramidal
3 shared e- pairs and 1 unshared
bent
2 shared e- pairs and 2 unshared
metallic
Shiny, malleable, ductile, conducts electricity
ionic
crystalline, high melting point and boiling point
covalent
low melting point and boiling point
dipole
What is a molecule that has a partial positive charge at one end and a partial negative charge at the opposite end?
nonpolar
.5 and below
polar
1.7 and below
ionic
above 1.7
nonmetals
What do covalent bonds consist of?
subtract their electronegativity
How do you determine polarity for a bond between 2 atoms?