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What is Chemistry
Describing Matter
How is Matter Classified
More Classification
Describe more Matter
100
Any substance that has a definite composition
What is a chemical
100
The quantity of matter contained in an object.
What is the mass
100
A sample of matter that contains two or more pure substances
What is a mixture
100
Pure substances that contain only one kind of atom
What is an element
100
The mass of the object divided by its volume
What is density
200
Substances that are on the left side of the reaction arrow
What reactants
200
Anything that has mass and volume
What is matter
200
Pure substances are distributed uniformly throughout the mixture; the substances are dissolved and can not be seen
What is homogeneous
200
Pure substances that are not elements
What is a compound
200
Something that has magnitude, size, or amount
What is quantity
300
Changes in chemicals
What are chemical reactions
300
A quantity adopted as a standard of measurement
What is a unit
300
A mixture of substances that are not evenly mixed; the substances can be seen in the mixture
What is heterogenous
300
Two or more atoms combined in a definite ratio
What is a molecule
300
Identified by trying to cause a chemical change
What is chemical property
400
Solid, liquid, and gas
What are States of Matter
400
The space that the object occupies
What is volume
400
Has characteristic properties that can be used to identify it
What is a pure substance
400
The periodic number is the same as _______ and ______
What is atomic number and number of protons
400
A simple ratio that relates two units that express a measurement of the same quantity
What is conversion factor
500
Substances that are on the right side of the reaction arrow.
What are product(s)
500
The force produced by gravity acting on mass
What is weight
500
All matter is composed of it; Also known as the smallest unit of an element that maintains the properties of that element
What is an atom
500
An accidental discovery
What is serendipity
500
A property that can be determined without changing the nature of the substance
What is a physical property