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Nonmetals And Metalloids
Test Description: Nonmetals and metalloids
Instructions: Answer all questions to get your test result.
1) Which of the following is NOT a property of most nonmetals?
A
many are gases at room temperature
B
solids tend to be dull and brittle
C
found on the right side of the periodic table
D
excellent electric conductivity
2) The only nonmetal in group 14 is
A
Carbon
B
Oxygen
C
Nitrogen
D
Flourine
3) Two of the same atoms bonded together is called
A
binary atom
B
diatomic molecule
C
semiconductor
D
isotope
4) The highly reactive nonmetals of Group 17 are called the
A
actinides
B
halogens
C
noble gases
D
metalloids
5) Atoms of nonmetals usually lose electrons when they combine with other atoms.
A
False
B
True
6) When two or more atoms bond by sharing electrons, they form a molecule.
A
False
B
True
7) The elements that have some properties of metals and some properties of nonmetals are called halogens
A
False
B
True
8) Helium has chemical properties so different from those of the other elements that it cannot be placed in any other groups.
A
False
B
True
9) Substances that can carry electric current under some conditions but not under others are called semiconductors
A
false
B
true
10) The group 15 element oxygen is used to make compounds known as fertilizers.
A
True
B
False
*select an answer for all questions
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