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15
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Elements are represented by letters from the alphabet a) atoms b) symbols c) compounds
symbols
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25
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Symbol: Na What element is it?
sodium/natrium
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25
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symbol for an element is ...
a single capital letter or a capital letter followed by a lower case letter.
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15
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a substance that cannot be broken down into any other substance. a) atom b) element c) compound
b) element
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25
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How do we call the number that we write next to the element?
subscript
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25
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What are the only two letters of the alphabet to not appear on the periodic table?
Q and J
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15
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a substance that contains atoms of two or more different elements. a) atom b) molecula c) compound
a compound
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trap
No points!
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fairy
Take points!
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25
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rocket
Go to first place!
Okay!
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baam
Lose 20 points!
Oops!
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baam
Lose 25 points!
Oops!
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gift
Win 20 points!
Okay!
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shark
Other team loses 25 points!
Okay!
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lifesaver
Give 10 points!
Oops!
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seesaw
Swap points!
Oops!
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seesaw
Swap points!
Okay!
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fairy
Take points!
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25
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thief
Give points!
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25
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How many atoms are there in this molecule? H4SO2
7
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25
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How many elements are there in the periodic table?
118
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eraser
Reset score!
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seesaw
Swap points!
Okay!
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shark
Other team loses 10 points!
Okay!
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thief
Give points!
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25
25
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Symbol: C What element is it?
carbon
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