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25
×
which two non metals form large covalent lattice structures?
carbon (diamond) silicon (sand)
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15
×
Where non-metals located in the periodic table?
Right side, last-three columns
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seesaw
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fairy
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25
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fairy
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25
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baam
Lose 25 points!
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15
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carbon dioxide (CO2) covalent or ionic
covalent
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15
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T/F covalent compounds form small molecules and have low melting points
T
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15
×
Describe the bonds find in a water molecule
One oxygen atom forming two covalent bonds with two oxygen atoms
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15
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name three non metals
named
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banana
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gift
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rocket
Go to first place!
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banana
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thief
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25
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star
Double points!
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gift
Win 5 points!
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lifesaver
Give 20 points!
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15
×
Explain the ionic bond
Bond formed between ions of opposite charges (usually metal and non-metal)
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banana
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seesaw
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fairy
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10
15
20
25
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baam
Lose 15 points!
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15
×
What is a giant covalent structure
Three dimensional structure of atoms made by covalent bonds
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20
×
Why do atoms form bonds?
To gain a stable arrangement of electrons
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15
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salt (NaCl) ionic or covalent?
ionic
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15
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How many electrons fit into the first, second, and third electron shells?
2,8,18
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15
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What is a covalent bond?
Two non metals share their electrons
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