,10/29/24, 1:05 AM CHEM 120 WEEK 8 FINAL EXAM 2 LATEST VERSIONS 2024 ACTUAL EXAM 171 QUESTIONS AND CORRECT DETAILED AN…
When two hydrogen C
atoms meet, they will
attract to each other and
form a bond (and a H2
molecule). Why?
A) Because electrons like
to stay together.
B) Because electrons like
to be paired up.
C) Because there is
attraction between the
electron in one hydrogen
atom and the nucleus of
another hydrogen atom.
D) Gravitational attraction
between two atoms binds
two hydrogen atoms (or
any two atoms) together
into a molecule.
,10/29/24, 1:05 AM CHEM 120 WEEK 8 FINAL EXAM 2 LATEST VERSIONS 2024 ACTUAL EXAM 171 QUESTIONS AND CORRECT DETAILED AN…
How do you determine A
the number of electron
domains on the central
atom?
A) Draw Lewis structure of
the compound, then add
up the numbers of lone
electron pair, single bond,
double bond, and triple
bond.
B) The # of electron
domains = the # of valence
electrons
C) The # of electron
domains = the number of
atoms the central atom is
bonded to.
D) The # of electron
domains = the # of valence
electrons divided by 2
, 10/29/24, 1:05 AM CHEM 120 WEEK 8 FINAL EXAM 2 LATEST VERSIONS 2024 ACTUAL EXAM 171 QUESTIONS AND CORRECT DETAILED AN…
Indicate partial charges on B
each atom of the
following two bonds: C-Br
and O-N.
A) Carbon has partial
negative charge and
bromine has partial
positive charge; both
oxygen and nitrogen have
no charge.
B) Carbon has partial
positive charge and
bromine has partial
negative charge; oxygen
has partial negative
charge and nitrogen has
partial positive charge.
C) Carbon has partial
negative charge and
bromine has partial
positive charge; oxygen
has partial positive charge
and nitrogen has partial
negative charge.
D) Carbon has partial
positive charge and
bromine has partial
negative charge; oxygen
has partial positive charge
and nitrogen has partial
negative charge.
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