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5
×
TRUE/FALSE: All compounds are molecule, but not all molecules are compound.
TRUE
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heart
Other team wins 15 points!
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rocket
Go to first place!
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shark
Other team loses 20 points!
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banana
Go to last place!
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10
×
The rows in the Periodic Table are called...
Periods
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5
×
The chemical symbol for .................. is O.
Oxygen
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15
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How many Elements we currently have?
118
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5
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"Building block" of all matter that surround us.
Atom
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5
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A molecule of oxygen is made from ............. atoms of oxygen joined together.
Two
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5
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Element or Compound? GOLD Au
Element
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5
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Salt, NaCl (element/molecule/compound)
Compound
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15
×
The chemical symbol for .................. is Fe.
Iron
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5
×
Give 2 example of Metal element.(pure substance)
Gold, Silver, Iron . . .Â
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thief
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25
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shark
Other team loses 25 points!
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shark
Other team loses 25 points!
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lifesaver
Give 10 points!
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10
×
What is the formula of Carbon Dioxide?
CO2
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10
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When you read each row across the Periodic Table, from left to right, the mass of the atoms ........................ (increase/decrease).
Increase
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10
×
The person behind the modern periodic table.
Dmitri Mendeleev
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eraser
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gift
Win 25 points!
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gift
Win 25 points!
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thief
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5
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25
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