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1
1
1
One of the properties that makes copper, Cu, useful for household wiring is its ability to conduct electricity. Which other element is most likely to conduct electricity?
Gold, Au
Radon, Rn
Bromine, Br
Nitrogen, N
Which element group is typically shiny and good at conducting heat and electricity?
Nonmetals
Metalloids
Metals
Noble Gases
Which characteristic does not typically apply to nonmetals on the periodic table?
Gaseous at room temperature
Good heat conductors
Poor heat conductors
Not malleable
What two properties are typically associated with metals?
Translucent
High density
Brittle
Malleable
Rank the folowing physical properties as Metals, Nonmetals or Metalloids. NO OPTION WILL BE USED TWICE. Pick whatever the BEST answer is for each physical property.
Gas at room temperature
Dull with poor luster
Malleable
Good Insulator
Roughly 7 elements on the periodic table
Semi-conductor
A brittle solid at room temperature
Good Conductor
High Electronegativity (only High)
Ductile
Shiny with good luster
Low Electronegativity
Metals
Nonmetals
Metalloids
Which two options best describe the appearance of most metals?
Luster
Gas at room temperature
Solid at room temperature
Dull
Means a substance can be pounded or hammered into thin sheets or molded into shapes.
Malleable
Luster
Ductile
Conductor
Insulator
Brittle
The measure of ease at which an electric charge or heat can pass through a material
Malleable
Luster
Ductile
Conductor
Insulator
Brittle
Ability of an object to reflect light
Malleable
Luster
Ductile
Conductor
Insulator
Brittle
The tendency of a material to fracture or shatter under pressure
Malleable
Luster
Ductile
Conductor
Insulator
Brittle
the way most metals can be stretched into a wire
Malleable
Luster
Ductile
Conductor
Insulator
Brittle
A material that keeps electricity or heat (or cold) from transferring
Malleable
Luster
Ductile
Conductor
Insulator
Brittle
Question 13
13.
Question 14
14.
Question 15
15.
Select all the elements that are metals
A
B
C
D
E
F
G
H
Which element most likely is a brittle solid that is not malleable or ductile but can conduct moderate amounts of energy?
A
B
C
D
E
F
G
H
Which element(s) is most likely to be a poor conductor with a low density and melting point?