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15
×
How is the periodic table read?
from left to right and top to bottom in increasing atomic number
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15
×
How many valence electrons do Alkaline Earth Metals have?
2
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15
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Would you consider an element with 1 valence electron highly reactive or not reactive? Why?
Highly reactive because it can easily lose the one electron to become stable
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trap
No points!
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fairy
Take points!
5
10
15
20
25
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rocket
Go to first place!
Okay!
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baam
Lose 20 points!
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15
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How many electrons does there need to be in a valence shell for an atom to be stable?
0 or 8
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15
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What are the three components of an atom?
Nucleus (protons and neutrons) and electrons
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lifesaver
Give 25 points!
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star
Double points!
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rocket
Go to first place!
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lifesaver
Give 25 points!
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seesaw
Swap points!
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gold
Win 50 points!
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gift
Win 10 points!
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thief
Give points!
5
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15
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25
15
×
How is the periodic table ordered?
By increasing atomic number
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15
×
Which color represents metals?
Blue
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15
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Who is generally responsible for how the periodic table is formatted?
Dmitri Mendeleev
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15
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What are valence electrons?
The electrons in an atom's outermost shell
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15
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Which color represents non-metals?
Pink
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15
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How many valence electrons to alkali metals have?
1
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15
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What does the atomic number of an element refer to?
The number of protons in a single atom of that element
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15
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Which color represents metalloids?
Yellow
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