Chem 6A Quiz 1_key_Sect_E09_E04_E05

Circleyourchoice a radiowavesvsinfraredlight2pts b

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Unformatted text preview: riodic
table
to
assist
 you)
 a. The
atomic
number
of
___Mg______
is
12.(1pt)
 
 b. The
mass
number
of
elemental
phosphorous
is
____30.97___.
(1pt)
 
 c. The
isotope__76Ge___
has

44
neutrons,
32
protons,
and
32
electrons.
1pt)
 
 d. The
difference
between
atomic
number
and
mass
number
is
that
atomic
number
 is
the
number
of
_protons_

(1pt)
and
mass
number
is
the
sum
of
the
number
of
 _protons_
(1pt)
and
the
number
of
_neutrons_.
(1pt)
 
 e. What
is
an
isotope?
(2pts)

 
 One
...
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This note was uploaded on 12/07/2009 for the course CHEM CHEM 6A taught by Professor Czarkowski during the Fall '07 term at UCSD.

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