1) consider the image given below.
which of the following is the correct designation for this orbital?
a.s
b.px
c.py
d.px
e.b, c or d
2) which of the following is the correct lewis dot picture of the nitrogen atom?
a.
b.
c.
d.
3) which of the following atoms is least likely to form an ion?
a.fluorine
b.magnesium
c.neon
d.sodium
4) which of the following elements is named for a planet?
a.as
b.er
c.pu
d.v
5) normal kidney function involves which of the following?
a.filtration in which large molecules are lost but small molecules are retained
b.reabsorption of some small molecules from the urine
c.both a and b
d.neither a nor b
6) group 8a of the periodic table was once known as the inert gases, but is now known
as the noble gases. which of the following resulted in the change of name?
a.once there were no known compounds of these elements, but now many compounds
of all of the noble gases are known.
b.once there were no known compounds of these elements, but now a few compounds
of some of the noble gases are known.
c.these elements form no compounds and are extremely expensive.
d.the elements only react with noble metals such as gold and platinum.
7) which of the following elements is most likely to gain electrons to become an anion?
a.ar
b.c
c.cl
d.fe
8) which element is currently used to define the atomic mass unit?
a.hydrogen-1
b.carbon-12
c.oxygen-16
d.none of these
9) which column of the periodic table is commonly called the alkali metals?
a.1a
b.2a
c.7a
d.8a
10) consider the following reaction involved in carbon dioxide transport in the blood.
what happens to this reaction after muscle contraction?
a.shifts to the right
b.shifts to the left
c.unaffected by muscle contraction
11) which of the following is the reason that strontium-90 is considered an especially
dangerous radioactive isotope?
a.it has an exceptionally short half-life.
b.it has an exceptionally intense radioactivity.
c.it is chemically incorporated into bone and teeth and is therefore not readily
eliminated from the body.
d.all of the above
12) how many elements occur naturally as diatomic molecules?
a.0
b.5
c.6
d.7
13) the relationship between ph and the oxygen carrying ability of hemoglobin is
known as which of the following?
a.allosterismc.dalton’s law
b.the bohr effectd.perutz’s law