Name: ____________________________________________________________
Classify This!
Period: ___________
Part One: Elements can be put into three main groups, Metals, Nonmetals, or Metalloids. Below is a tree map that shows two of the three ways that
elements are classified. Work INDEPENDENTLY to fill-in the empty boxes with the correct terms.
Elements
can be classified as…
with these properties
with these properties
reflects a lot of
light from its
surface
easily
transmits
electricity
hammers into
shape without
breaking
reflects little
light from its
surface
resists flow of
electricity
breaks and
shatters easily
Part Two: Walking home from school, you found a solid material. It is a silvery-white, shiny, and hard but flaky. Your teacher tells you that the material
consists of a single element. You conduct a few tests and determine that it is brittle and a poor conductor of heat and electricity. Based on your
knowledge of the Periodic Table, classify this material as a metal, nonmetal, or metalloid. Explain the basis for your classification below.
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