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Teams
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monster
Reset all scores!
Oops!
×
gold
Win 50 points!
Okay!
×
rocket
Go to first place!
Okay!
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baam
Lose 15 points!
Oops!
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eraser
Reset score!
Oops!
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star
Double points!
Okay!
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rocket
Go to first place!
Okay!
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thief
Give points!
5
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25
10
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Elements located in the middle of the periodic table.
Transition Metals
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5
×
What is the element symbol for boron?
B
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15
×
A proton is ______________________.
Subatomic particle with positive charge.
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10
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Elements from the same period share same number of __________.
shells or orbits.
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10
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Atoms with similar properties are located in the same _________.
group or family
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10
×
Mendeleev's periodic table is arranged by
atomic number.
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10
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The atomic number tells you the number of ________.
protons.
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15
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Property of actinides.
Radioactive elements.
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10
×
Give me an example of a halogen.
Bromine, Fluorine, Chlorine, Iodine, Astatine
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×
lifesaver
Give 20 points!
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fairy
Take points!
5
10
15
20
25
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gift
Win 15 points!
Okay!
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lifesaver
Give 20 points!
Oops!
5
×
Elements that are in group 18.
Noble gases
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10
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What subparticles are included in the atomic mass?
Proton and neutron
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15
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The number at the bottom of each square on the periodic table is the ...
atomic mass.
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10
×
One property from alkali metals is __________.
Only one electron, reactive, soft, shiny
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