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Worksheets2014 8th Exam 31-35
Total questions: 5
Worksheet time: 5mins
Name
Class
Date
1.
Which element from this portion of the table chemically reacts in a way similar to the way the element chlorine (Cl) reacts?
a)
Si
b)
O
c)
Xe
d)
I
2.
Which element is classified as a noble gas?
a)
sulfur
b)
oxygen
c)
nitrogen
d)
argon
3.
Which mineral is hard and has the same color and streak?
a)
magnetite
b)
muscovite mica
c)
pyrite
d)
sulfur
4.
The volume of a sample of sulfur was measured to be 5.0 cm3. The density of sulfur is 2.0 g/cm3. Based on the equation below, what is the mass of this sample?
a)
2.0 g
b)
2.5 g
c)
5.0 g
d)
10.0 g
5.
Which physical property best distinguishes magnetite from pyrite?
a)
luster
b)
streak
c)
color
d)
hardness
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