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15
×
How are covalent bonds explained?
When the atom shares an electron with an another atom
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15
×
What is the name of the compound Na2(SO4)?
Sodium sulfate
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15
×
Mention a property of metals
solid, malleable, ductile, high boiling andmelting point
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banana
Go to last place!
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seesaw
Swap points!
Okay!
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gift
Win 5 points!
Okay!
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banana
Go to last place!
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15
×
Is this a physical or a chemical change? sharpening a pencil
physical change
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15
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I have an object that is dull, brittle, and an insulator, what is it?
Nonmetal
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15
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Is this a physical or a chemical change? corrosion of a bicycle frame
chemical change
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15
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According to the octet rule most elements need _______ valence electrons.
8
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baam
Lose 10 points!
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shark
Other team loses 10 points!
Okay!
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gift
Win 15 points!
Okay!
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banana
Go to last place!
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15
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What is this element? 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^10 4p^6
krypton
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15
×
In which mixture can you not see all of the parts?
homogeneous
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eraser
Reset score!
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shark
Other team loses 10 points!
Okay!
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gift
Win 25 points!
Okay!
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thief
Give points!
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25
15
×
What region of the periodic table contains atoms that form covalent bonds?
the right side
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baam
Lose 20 points!
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magnet
Take 20 points!
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fairy
Take points!
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15
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25
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banana
Go to last place!
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15
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Is this a physical or a chemical property? a change of one substance to another
chemical change
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15
×
What is the formula for copper(I) sulfate?
Cu2SO4
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