Nonmetals And Metalloids Question Preview (ID: 55743)
Nonmetals And Metalloids.
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Which of the following is NOT a property of most nonmetals?
a) found on the right side of the periodic table
b) solids tend to be dull and brittle
c) excellent electric conductivity
d) many are gases at room temperature
The only nonmetal in group 14 is
a) Carbon
b) Oxygen
c) Nitrogen
d) Flourine
Two of the same atoms bonded together is called
a) isotope
b) diatomic molecule
c) binary atom
d) semiconductor
The highly reactive nonmetals of Group 17 are called the
a) noble gases
b) metalloids
c) halogens
d) actinides
Atoms of nonmetals usually lose electrons when they combine with other atoms.
a) True
b) False
c)
d)
When two or more atoms bond by sharing electrons, they form a molecule.
a) True
b) False
c)
d)
The elements that have some properties of metals and some properties of nonmetals are called halogens
a) True
b) False
c)
d)
Helium has chemical properties so different from those of the other elements that it cannot be placed in any other groups.
a) True
b) False
c)
d)
Substances that can carry electric current under some conditions but not under others are called semiconductors
a) true
b) false
c)
d)
The group 15 element oxygen is used to make compounds known as fertilizers.
a) True
b) False
c)
d)
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