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1) which greek philosopher thought that matter was infinitely divisible?
a.aristotle
b.democritus
c.plato
d.zeno
2) how many electrons are associated with a single bond?
a.1
b.2
c.4
d.6
3) which element is present in the largest amount (by number of atoms) in the human
body?
a.carbon
b.hydrogen
c.nitrogen
d.oxygen
4) how many electrons are associated with a triple bond?
a.2
b.3
c.4
d.6
5) which of the following is associated with a high erythrocyte count?
a.anemiac.leukemia
b.polycythemiad.typhoid
6) atoms of which of the following elements are largest?
a.al
b.mg
c.na
d.none, they are all the same size.
7) which of the following endings is generally associated with a monatomic anion?
a.-ade
b.-ate
c.-ic
d.-ide
8) a number of elements occur naturally as diatomic molecules under normal
atmospheric conditions.. which of the following does not occur naturally as a diatomic
molecule?
a.chlorine
b.hydrogen
c.nitrogen
d.sulfur
9) in which portion of the nephron is most water reabsorbed?
a.the distal tubulec.the glomerulus
b.henle's loopd.the proximal tubule
10) which of the following has the lowest ionization energy?
a.ba
b.ca
c.mg
d.sr
11) which element has the following ground state electron configuration?
a.al
b.na
c.b
d.ga
e.none of these
12) in which of the following molecules does the carbon atom have a nearly tetrahedral
distribution of electron density?
a.c2h2
b.c2h4
c.c2h6
d.none of these
