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Category 1
Category 2
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Category 5
100
H2O
What is water?
100
Periodic Table of the Elements
What is a chart of all the elements?
100
Pure Substance
What is a single type of material?
100
Atom
What is the smallest particle of an element?
100
Compound
What is a pure chemical substance?
200
Element
What are the building blocks for all matter?
200
Mixture
What is a substance made by mixing other substances together?
200
Heterogeneous
What is a substance in different phases?
200
Homogeneous
What is a substance that is of the same kind?
200
Molecule
What is the smallest unit of a substance?
300
Atomic Number
What is the number of protons in an atom?
300
Atomic Weight
What is the mass of an atom?
300
Chemical Symbol
What is the short form for a chemical?
300
pH
What is a value used to express the acidity of a system?
300
Organic
What is something that is living?
400
Inorganic
What is something not living?
400
Suspension
What is something called if it's floating?
400
Solution
What is a mixture of two substances?
400
Colloids
What are solid particles in a substance?
400
Jim Clothes
What is the clothes that Mr. Heeres wears 24/7?