JeopardyJeopardyScienceScience ReviewReview

Jeopardy!!Jeopardy!!

Group 1Group 1 Group 2Group 2 Group 3Group 3 Group 4Group 4

50 50 50 50

100 100 100 100

200 200 200 200

300 300 300 300

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Soil is made up of pieces of rocks, Soil is made up of pieces of rocks, wood, decayed plants.  Soil is  an wood, decayed plants.  Soil is  an

example of example of

mixturemixture

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Pure substance that can be separated Pure substance that can be separated into two or more simpler substances into two or more simpler substances

by chemical meansby chemical means

CompoundCompound

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A molecule of carbon dioxide (CO2) is A molecule of carbon dioxide (CO2) is shown above.  How many total shown above.  How many total

ATOMS are there?ATOMS are there?

33

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What happens to the total mass of What happens to the total mass of substances during a chemical substances during a chemical

reaction?  reaction?  

Remains constant

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The chemical formula for The chemical formula for glucose is Cglucose is C66HH1212OO66.  How many .  How many different elements are there?different elements are there?

33

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The size of an element’s atomic The size of an element’s atomic radius and melting point have a unique radius and melting point have a unique relationship, that isrelationship, that is

As atomic radius increases, the melting point is higher

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How many valence electrons How many valence electrons does one atom of Nitrogen have? does one atom of Nitrogen have? 

5

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Elements that have properties of Elements that have properties of both metals and nonmetals are calledboth metals and nonmetals are called

MettaloidsMettaloids

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Salt water is an example of what? Salt water is an example of what? Compound, mixture, element, moleculeCompound, mixture, element, molecule

Mixture (homo)

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The elements on the periodic table are The elements on the periodic table are arranged according to arranged according to

Increasing atomic number

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Increases

The size of an element’s atomic radius__________ from top to bottom in a group.

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Which of the following is found farthest from Which of the following is found farthest from the center of an atom?the center of an atom?

electron

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Na is an element in table salt. It has 11 Na is an element in table salt. It has 11 protons, 12 neutrons. Electrons are ? protons, 12 neutrons. Electrons are ?

11

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Most elements are metals. What Most elements are metals. What is a physical property of metal?is a physical property of metal?

Good conductors, higher melting points, ductile, malleable, luster.

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Which is the smallest particle of the Which is the smallest particle of the element gold(Au) that can still be element gold(Au) that can still be classified as gold?classified as gold?

atom

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What do the elements in the What do the elements in the same column have in common?same column have in common?

Similar chemical properties due to same number of valence

electrons

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