jeopardy 8th chapter 15
TRANSCRIPT
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3
Used in solar cells, light meters, photographic
materials
selenium
Baseball bats, cookware, soft
drink cans
aluminum
Used as semiconductor in
electronics
silicon
Kills bacteria in water
chlorine
Used in the head (tip) of matches
phosphorus
Used as fuel in nuclear power
plants
plutonium
Lowest melting point of any metal;
used in thermometers
Mercury
A row of elements whose properties change gradually and predictably.
period
has luster, is a good conductor of heat and electricity, is
malleable and ductile
metal
A substance that can make something
happen faster but is not changed itself
catalyst
This means “salt-former”
halogens
Group 1 is known as this..
Alkali metals
Gases or brittle solids at room
temperature, poor heat conductors
nonmetals
Chemist who arranged elements
by atomic mass
Mendeleev
Elements that do not occur naturally
Synthetic elements
The second most abundant element
on earth
silicon
The group of elements that are
resistant to chemical reactions
Group 18
What is group number of Oxygen
family?
Group 16
Able to be hammered into thin
sheets
malleable
What group is Carbon in?
Group 14
What group is Potassium in?
Group 1
What is the atomic number of Lead?
82
What is the atomic number of Krypton?
36
Is Phosphorus and metal or nonmetal?
nonmetal
Name the elements in Group 14
Carbon, Silicon, Germanium, Tin,
Lead
Is Arsenic a metal, nonmetal or metalloid?
metalloid
True or False? Group 16 contains metals, nonmetals,
and metalloids.
False
Is Helium a metal or nonmetal?
nonmetal
Is Iodine a metal or nonmetal?
nonmetal
What group is Arsenic in?
Group 15
Make your wager
Which two groups have nonmetals,
metals and metalloids?
Group 14
Group 15