Chemistry Test Ch 8

29 terms by milly_ochoa 

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yeah

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

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