Name _________________
CHEM 1004
Quiz #1
Fall 2010
Buckley
1. (5 points) Make the following conversions.
a. 13.5 m = _______ mm
b. 0.0027 g = _______ kg
c. 8.45 cL = _______ mL
d. 5.23 × 10-10 m = _______ nm
e. 47.2 mm = _________
(1 m = 109 nm)
km
2. (9 points) Consider each of the following materials. Write the letter for each in the
appropriate box in Row 1. Then further write each letter in the appropriate box in Row 2.
Each letter will show up once in Row 1 and once in Row 2. An example (letter Z) is
done for you.
Z.
Example – pure water
A. Air in the room
B.
Sugar dissolved in water
C. Can of soda with bubbles fizzing out
D.
Can of soda that is flat – no bubbles
E. Copper wire
F.
Liquid nitrogen
G. The contents of a helium cylinder used
to fill a balloon
H. The contents of a helium balloon after I.
it has been filled – consider the air in
balloon prior to filling to still be present
Row 1
Pure Substance:
Z
Element
Row 2
Compound:
Z
A helium balloon and its contents
Mixture
Homogeneous
mixture
Heterogeneous
mixture
3. (3 points) Briefly indicate who first assembled the periodic table in its current format,
approximately what time period it was done in, and the driving force for arranging the
elements the way they were arranged.
4. (7 points) Fill in the missing information in the following table. This includes the
missing symbols in the left-hand column.
Symbol
62
27
# Protons
# Neutrons
18
Mass Number
Co
_
_
__
14
_
_
__
50
113
5. (4 points)
a. Suppose you have a square that is 10 cm on one side. How many mm2 are in the
square?
b. Considering your answer to part a, if you had a square with an area of 45 cm2,
how many mm2 would be in the square?