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Teams
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seesaw
Swap points!
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fairy
Take points!
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gift
Win 25 points!
Okay!
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lifesaver
Give 20 points!
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baam
Lose 20 points!
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star
Double points!
Okay!
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rocket
Go to first place!
Okay!
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thief
Give points!
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15
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True or False: The colour of elements turn lighter going down Group VII in the Periodic Table
False, the colour will turn darker as we go down group 7!
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15
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Subtance X is commonly used as a catalyst to make butter and has melting point of 1455 °C. Can you guess which group in periodic table it belongs?
The transition metal! It has high melting point & is a good catalyst! X is nickel actually :)
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15
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Shabul fills the balloon with helium to surprise Sodul for his birthday! Why does Shabul use helium instead of hydrogen?
Helium is a noble/stable gas. Using hydrogen may cause explosion!
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15
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Based on the periodic table given, which letter represent metal with lowest melting point?
A, Group 1 metal has lower melting point generally compared to the metals in the transition metal.
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15
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Based on the periodic table given, which of the TWO elements share similar chemical properties?
W & Y! They are both from the same group, hence share similar chemical properties.
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15
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Rehana reacts lithium with water. If she dips a litmus paper in the reaction solution, what will she observe?
She will observe colour change to blue! The reaction produces lithium hydroxide, an alkali. Do you know the other byproduct?
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