chapter 7 Flashcards
a) F-F
b) N—N
c) O–O
which is true of the bond length of these covalent molecules?
the bonds in A are longer then the bonds in B and C
which combination of bonds is present in this molecule?
O=O
1 sigma bond and 1 pi bond
a) F-F
b) N—N
c) O–O
which covalent molecule has the strongest bond?
B
which type of molecular shape is shown by this molecule?
shape equals 120 degrees
trigonal planar
which type of molecular shape is shown by this molecule?
shape equals 90/120 degrees
trigonal bipyramidal
which is NOT a diatomic molecule?
boron
which type of bond has one pair of electrons shared between atoms?
single covalent
multiple covalent bonds consist of which of these?
1 sigma bond and 1 or 2 pi bonds
in the compound PCI3, how many total valence electrons are present?
26
covalent compounds display which of these properties?
their intermolecular forces are relatively weak
how many pairs of bonding electrons are present in a molecule that displays trigonal bipyramidal molecular shape?
5
what molecular shape does the compound CCI4 have?
tetrahedral
which is the correct name for the compound N2O3?
dinitrogen trioxide
which is the correct name for the compound PCI5?
phosphorous pentachloride
which is the correct name for the compound N2O4?
dinitrogen tetroxide
which is the correct formula for the compound dinitrogen monoxide?
N2O
which is the formula for the compound sulfur hexachloride?
SCI6
which is the correct name for the compound HCIO3?
chloride acid
which is the correct for the compound HNO2?
nitrous acid
which is the correct formula for the compound phosphoric acid?
H3PO4
which of the following compounds is an exception to the octet rule?
BH3
name the acid with the following chemical formula H2SO4?
sulfuric acid
fluorine belongs to group 7A. how many covalent bonds are formed between two fluorine atoms?
1
how many pi bonds are there in a triple covalent bond?
2
the name of an oxyacid has the suffix -ic acid. what is the suffix of the oxyanion?
ate
how many bond pairs of electrons exits in a molecule of ammonia?
4