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Chapter 8
Earth Chemistry
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Category 1 Category 2 Category 3 Category 4
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Category 1 $200
Approximately how many elements occur
naturally in the earth?
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Category 1 $400
Each element consists of one basic kind of
______?
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Category 1 $600
An electron is a type of_________ ________?
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Category 1 $800
What keeps electrons from being pulled into the nucleus of the
atom?
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Category 1 $1000
Which subatomic particle has no positive or negative charge?
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Category 1 $200-Answer
90
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Category 1 $400-Answer
Atoms
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Category 1 $600-Answer
Subatomic Particle
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Category 1 $800-Answer
Constant Motion
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Category 1 $1000-Answer
Neutron
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Category 2 $200
What is the smallest unit of an element that
has all the basic properties of the element is called?
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Category 2 $400
What is the region at the center of the atom
is called?
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Category 2 $600
Which subatomic particle always has a negative
charge?
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Category 2 $800
What must atoms with an atomic number of 8
have?
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Category 2 $1000
What is the atomic number of an atom that contains 3 protons, 4
neutrons, and 3 electrons?
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Category 2 $200-Answer
An atom
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Category 2 $400-Answer
Nucleus
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Category 2 $600-Answer
Electron
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Category 2 $800-Answer
8 protons
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Category 2 $1000-Answer
3
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Category 3 $200
Where are protons and neutrons of an atom
located?
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Category 3 $400
How many electrons does the element
silver (Ag) have?
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Category 3 $600
What is the mass number of an atom with 4
protons, 5 neutrons, and 4 electrons?
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Category 3 $800
What is the atomic number of an atom
with 11 protons, 12 neutrons, and 11
electrons?
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Category 3 $1000
What is a molecule the smallest complete unit
of?
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Category 3 $200-Answer
Nucleus
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Category 3 $400-Answer
47
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Category 3 $600-Answer
9
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Category 3 $800-Answer
11
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Category 3 $1000-Answer
Compound
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Category 4 $200
True or FalseMost elements occur in
pure form in the earth’s crust.
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Category 4 $400
What is mass number equal to?
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Category 4 $600
What does the mass number minus the atomic
number equal?
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Category 4 $800
How many atoms of potassium (K) are represented by the
formula K2SO4?
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Category 4 $1000
How many atoms of sulfur (S) are represented by
the formula H2SO4?
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Category 4 $200-Answer
False
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Category 4 $400-Answer
# of protons plus neutrons
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Category 4 $600-Answer
The # of Neutrons
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Category 4 $800-Answer
2
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Category 4 $1000-Answer
1
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Final Jeopardy
Solutions
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Final Jeopardy
You have 1 minute to consult…
Which of the following is an alloy?
a. rubber c. woodb. bronze d. iron
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Final Jeopardy
You have 30 seconds to consult…
Which of the following is an alloy?
a. rubber c. woodb. bronze d. iron
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Final Jeopardy
You have 15 seconds to consult…
Which of the following is an alloy?
a. rubber c. woodb. bronze d. iron
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Final Jeopardy
Time Is Up
Which of the following is an alloy?
a. rubber c. woodb. bronze d. iron
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Final Jeopardy - Answer
B. Bronze