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eraser
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shark
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rocket
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banana
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10
×
The periodic table is 80% metals, nonmetals, or metalloids?
80% metals!
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20
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NAME type of bond and DRAW Lewis structure for MgBr2
Ionic Bond (metal + nonmetal)
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20
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CHALLENGE: What is the shorthand configuration for silicon? (noble gas in square brackets)
[Ne] 3s2 3p2
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15
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Write the electron configuration for copper (Cu)
1s2 2s2 2p6 3s2 3p6 4s2 3d9
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15
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How many covalent bonds do you expect these elements to make: Si, P, Se
Si = 4, P = 3, Se = 2
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15
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Which types of bonds allow for good conductivity?
Ionic and metallic (charges move freely)
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10
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Which two types of elements are present in a covalent bond?
Both nonmetals
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15
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How many total electrons are present in an ION of iodine?
54
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eraser
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gift
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gift
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lifesaver
Give 15 points!
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10
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All elements in the same GROUP have what in common?
Same number of valence electrons
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25
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Explain: If 18 electrons fit on the third ring, why does K have 4 rings?
10 electrons are in the d orbital, but K has no electrons in d orbitals
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15
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How many valence electrons do halogens have?
7
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seesaw
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seesaw
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rocket
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thief
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20
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What is WRONG with this electron configuration?
The 4s orbital is filled before the 3d orbital
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trap
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rocket
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shark
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thief
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