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15
×
What is the difference between cation ana anion?
Loss of electrons = cation, gaining of electrons = anion
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boom
Lose 50 points!
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rocket
Go to first place!
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gift
Win 25 points!
Okay!
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banana
Go to last place!
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baam
Lose 5 points!
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gold
Win 50 points!
Okay!
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rocket
Go to first place!
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thief
Give points!
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25
15
×
What is a covalent bond?
Two non metals share their electrons
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15
×
Why do non-metals tend to form covalent bonds?
They have similiar electronnegativities, neither is strong enough to attract electrons from the other
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trap
No points!
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star
Double points!
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shark
Other team loses 15 points!
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lifesaver
Give 25 points!
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15
×
What is the difference between a mixture and a chemical change?
In a chemical change, new substances are formed
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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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15
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What is the difference between atomic number and mass number?
Atomic number = how many protons an element has, mass number = neutrons + protons
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15
×
Where non-metals located in the periodic table?
Right side, last-three columns
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seesaw
Swap points!
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fairy
Take points!
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25
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shark
Other team loses 5 points!
Okay!
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baam
Lose 20 points!
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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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20
×
Why do atoms form bonds?
To gain a stable arrangement of electrons
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15
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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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What is a giant covalent structure
Three dimensional structure of atoms made by covalent bonds
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15
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What do elements in the same column of a periodic table have in common
They have the same number of valence electrons
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