These substances are evenly distributed, and are the same throughout.
What are homogeneous mixtures?
100
Burning, rusting, digesting and decomposing.
What are chemical changes?
100
The formula used for calculating density.
What is D m/v?
100
For something to be matter, it must meet these two criteria.
What is have mass and take up space (have a volume).
100
From the Greek word meaning "indivisible," this is the smallest unit of an element that maintains the property of that element.
What is an atom?
200
Substances that can be mixed.
What is miscible?
200
The ability of a substance to combine chemically with another substance.
What is reactivity?
200
The ratio of the mass of a substance to the volume of a substance
What is density?
200
A substance made of atoms of two or more different elements that are chemically combined, these have unique properties that are different from the elements they contain.
What is a compound?
200
The scientific study of the composition, structure, and properties of matter, and the changes that matter undergoes
What is chemistry?
300
Mixtures can be separated using these types of properties.
What are physical properties?
300
The temperature and pressure at which a solid becomes a liquid.
What is melting point?
300
This is the mass of a substance with a volume of 45 cubic centimeters and a density of 0.2 g/cubic centimeters.
What is 9 grams?
300
The chemical formula for table salt.
What is NaCl.
300
Made up of atoms, this is a substance that cannot be separated or broken down into simpler substances by chemical means.
What is an element?
400
Substances that cannot be mixed.
What are immiscible?
400
Five physical properties
What is shape, color, size, mass, volume, density, melting point or boiling point?
400
These are used to select substances that may be useful.
What are physical properties?
400
This is a combination of two or more substances that are not chemically combined
What is a mixture?
400
This is a sample of matter, either a single element or a single compound, that has definite chemical and physical properties.
What is a pure substance?
500
The ability of a substance to react in the presence of oxygen and burn when exposed to a flame
What is flammability?
500
The temperature and pressure at which a liquid becomes a gas.
What is boiling point?
500
These describe how a substance reacts.
What are chemical properties?
500
These types of substances aren’t mixed uniformly and are not evenly distributed.
What are heterogeneous mixtures.
500
Changes of color, changes of smell, fizzing, production of heat or sound are all indicators of these.