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Teams
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banana
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magnet
Take 25 points!
Okay!
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rocket
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lifesaver
Give 10 points!
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5
×
What is the atomic number of Hydrogen?
Hydogen's atomic number is 1
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10
×
When performing a filtration, what is the name of the substance you collect on the filter paper?
Residue
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5
×
Is ammonia an acid or a base?
Base
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10
×
On the pH scale, which numbers represent bases?
On the pH scale, the numbers higher than 7 represent bases.
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10
×
On the pH scale, which number represents neutrals?
On the pH scale, number 7 represents neutrals.
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lifesaver
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gold
Win 50 points!
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fairy
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5
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25
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banana
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5
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Scientists, like chemists, must use the ______________ to measure and weigh so that they can share their findings with the rest of the world.
Scientists, like chemists, must use the metric system to measure and weigh so that they can share their findings with the rest of the world.
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10
×
Atoms are made from even tinier pieces known as subatomic particles. What are these 3 things called?
Protons, neutrons and electrons.
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15
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What is a precipitate in chemistry?
A precipitate is a solid that forms from a chemical or physical reaction when 2 or more solutions are combined.
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10
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On the pH scale, which numbers represent acids?
Numbers less than 7 represent acids.
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heart
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gold
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fairy
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5
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15
20
25
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banana
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5
×
Is vinegar an acid or a base?
Acid
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15
×
Who invented the Periodic Table of Elements?
In 1869, Russian chemist Dmitri Mendeleev created the framework that became the modern periodic table.
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10
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What is the name of the scientific equipment pictured here?
Erlenmeyer flask
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15
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What is phenolphthalein?
Phenolphthalein is a chemical compound which turns pink/red in an alkaline and clear in an acid. It is used in titrations.
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