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15
×
Give three examples of a base.
Metal oxide, metal hydroxide, metal carbonate, ammonia
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lifesaver
Give 15 points!
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gift
Win 10 points!
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shark
Other team loses 15 points!
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banana
Go to last place!
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10
×
In terms of electrons, explain what happens when an atom/molecule goes through oxidation.
They lose electrons.
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10
×
How many electrons does this ion have?
10
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banana
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seesaw
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fairy
Take points!
5
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25
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thief
Give points!
5
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25
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monster
Reset all scores!
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seesaw
Swap points!
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fairy
Take points!
5
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25
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thief
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10
×
State the three parts of an atom and their respective charges.
Protons (positive), neutrons (neutral), and electrons (negative)
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5
×
Covalent molecules tend to have HIGH or LOW melting and boiling points?
Low.
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10
×
Vinegar is a diluted solution of which acid?
Ethanoic acid
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10
×
What do non-metals tend to do with their electrons to become "stable"?
They gain electrons.
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10
×
What type of reaction releases heat energy to its surroundings?
Exothermic
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15
×
What is the ionic formula of sodium oxide?
(Na+)2 O2-
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10
×
What is the chemical formula of magnesium oxide?
MgO
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10
×
What is the electron arrangement of a calcium atom?
2,8,8,2
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10
×
What is the chemical formula of aluminium oxide?
Al2O3
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10
×
Which type of radiation is a high energy electron?
Beta
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