29 terms

Chemistry Test Ch 8

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a covalent bond in which only one pair of electrons is shared
single covalent bonds
a covalent bond in which two pairs of electrons are shared
double covalent bonds
a covalent bond in which the chared electron pair comes from only one of the atoms
coordinate covalent bonds
a covalent bond in which two atoms of significantly different electronegativities
polar bond
a type of bond that is very important in determining the properties of water
hydrogen bond
which is typical characteristics of an ionic compound
the ionic compound has a high melting point
which of these elements does not exist as a diatomic molecule
Ne
Why do atoms share electrons in covalent bonds
to attain noble gas electron configuration
which of the following elements can form diatomic molecules held together by triple covalent bonds
nitrogen
which noble gas has the same electron configuration as the oxygen in a water molecule
neon
which of the following is the name given to the pairs of valence electrons that do not participate in the bonding in diatomic oxygen molecules
unshared pair
which of the following diatomic molecules is joined by a double covalent bond
O2
when one atom contributes both bonding electrons in a single covalent bond, the bond is called
ordinate covalent bond
when H+ forms a bond with H2O the form the hydronium ion H3O+,
both bonding electrons come from the oxygen atom
in which of the following compounds is the octect expanded to include 12 electrons
PCL3
how many electrons can occupy a single molecular orbital
2
a bond that is not symmetrical along the axis between two atomic nuclei is an
pi bond
the side by side overlap of P orbitals produces what kind of bond
pi bond
the shape of a methane molecule is called
tetradedral
a bond formed between a silicon atom and an oxygen atom
polar covalent
which of the following covalent bond is the most polar
H-F
when placed in between oppositley charged metal plates
hydrogen region of the molecule
what is the weakest attraction between molecules
van der waals forces
what causes hydrogen bonding
bonding of a covalently binded hydrogen atom with an unshared electron pair
which type of solid has the highest melting point
nonmetallic solid
how many valence electrons does iodine have
7
what is the total number of covalent bonds normally associated wit ha sinngle carbon
4
how many electrons are shared in a single covalent bond
2
how many electrons does nitrogen atom need to gain in order to attain noble gas
3