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Benchmark Review #1
Test Description: Benchmark Review #1
Instructions: Answer all questions to get your test result.
1) How many elements are in NaC2H3O2 ?
A
3
B
6
C
4
D
5
2) Which of the following is best classified as a compound?
A
He
B
O2
C
Mn
D
CO2
3) How many different elements are in Na2CO3 ?
A
7
B
3
C
1
D
6
4) More than two-thirds of the elements of the periodic table are....
A
metals
B
metalloids
C
noble gases
D
nonmetals
5) What is a property of most metals?
A
not conductors
B
not malleable
C
brittle
D
shiny and lustrous
6) What are properties of nonmetals?
A
lustrous, malleable, good conductor
B
non-lustrous, brittle, poor conductor
C
may be lustrous, may be malleable, semi conductor
D
none of the above
7) Mass is 110g. Volume is 100cm3. What is the density?
A
0,95g/cm3
B
9.50g/cm3
C
0.11g/cm3
D
1.10g/cm3
8) Mass is 95g. Volume is 100cm3. What is the density?
A
1.10g/cm3
B
0.11g/cm3
C
0.95g/cm3
D
9.50g/cm3
9) If mass is 6g and volume is 3cm3, what is the density?
A
2.0g/cm3
B
18.0g/cm3
C
32g/cm3
D
8.0g/cm3
10) How does the fluid in a thermometer move as temperature increases?
A
from potential to kinetic
B
from light to kinetic
C
from kinetic to potential
D
from potential to light
11) Where will the skateboarder have the most kinetic energy?
A
bottom
B
side
C
top
D
middle
12) What happens to the kinetic energy and potential energy of a ball during free fall?
A
Potential energy and kinetic energy both increase.
B
Potential energy and kinetic energy both decrease.
C
Potential energy decreases, and kinetic energy increases.
D
Potential energy increases and kinetic energy decreases.
13) What physical properties are you testing if you use a battery and a flashlight?
A
color and conductivity
B
streak and hardness
C
luster and conductivity
D
hardness and luster
14) An object is solid, does not conduct, malleable, and is shiny. What is it?
A
semi-conductor
B
metal
C
nonmental
D
metalloid
15) If a rock completes a circuit and lights up a bulb, what could it be?
A
metalloid or nonmetal
B
metal only
C
metal or metalloid
D
metalloid only
16) What material would be best to use to make a cell phone?
A
metal
B
metalloid
C
semi-conductor
D
nonmetal
17) If the mass is 200g and the volume is 40cm3, what is the density?
A
40g/cm3
B
5.0g/cm3
C
0.2g/cm3
D
1.43g/cm3
18) What is true about density?
A
The density changes based on where the metal is mined.
B
The density of different metals can be easily compared.
C
The density of copper decreases when it comes in contact with water.
D
The density of gold depends upon the density of aluminum.
*select an answer for all questions
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