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63 Cards in this Set

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  • Back
chemistry
the scientific study of the composition, structure, and properties of matter and the changes that matter undergoes
matter
anything that has mass and takes up space
element
a substance that cannot be separated or broken down into simpler substances by chemical means
atom
the smallest unit of an element
compound
a substance made of atoms of two or more different elements that are chemically combined
molecule
the smallest unit of a substance that keeps all of the physical and chemical properties of that substance
pure substance
a sample of matter, either a single element or a single compound
mixture
a combination of two or more substances that are not chemically combined
Examples of mixtures
sugar water
grape juice
gasoline
List two types of pure substances.
water
fresh squeezed orange juice
State the chemical formular for water
H2O
density
the ratio of mass to volume of a substance
characteristic properties
describing matter by both physical and chemical properties
physical change
a change of matter from one form to another without a change in chemical properties
chemical change
a change that occurs when a substance changes composition by forming one or more new substances
chemistry
the scientific study of the composition, structure, and properties of matter and the changes that matter undergoes
matter
anything that has mass and takes up space
element
a substance that cannot be separated or broken down into simpler substances by chemical means
atom
the smallest unit of an element
compound
a substance made of atoms of two or more different elements that are chemically combined
molecule
the smallest unit of a substance that keeps all of the physical and chemical properties of that substance
pure substance
a sample of matter, either a single element or a single compound
mixture
a combination of two or more substances that are not chemically combined
Examples of mixtures
sugar water
grape juice
gasoline
List two types of pure substances.
water
fresh squeezed orange juice
State the chemical formular for water
H2O
density
the ratio of mass to volume of a substance
characteristic properties
describing matter by both physical and chemical properties
physical change
a change of matter from one form to another without a change in chemical properties
chemical change
a change that occurs when a substance changes composition by forming one or more new substances
chemistry
the scientific study of the composition, structure, and properties of matter and the changes that matter undergoes
matter
anything that has mass and takes up space
element
a substance that cannot be separated or broken down into simpler substances by chemical means
atom
the smallest unit of an element
compound
a substance made of atoms of two or more different elements that are chemically combined
molecule
the smallest unit of a substance that keeps all of the physical and chemical properties of that substance
pure substance
a sample of matter, either a single element or a single compound
mixture
a combination of two or more substances that are not chemically combined
Examples of mixtures
sugar water
grape juice
gasoline
List two types of pure substances.
water
fresh squeezed orange juice
State the chemical formular for water
H2O
density
the ratio of mass to volume of a substance
characteristic properties
describing matter by both physical and chemical properties
physical change
a change of matter from one form to another without a change in chemical properties
chemical change
a change that occurs when a substance changes composition by forming one or more new substances
chemistry
the scientific study of the composition, structure, and properties of matter and the changes that matter undergoes
matter
anything that has mass and takes up space
element
a substance that cannot be separated or broken down into simpler substances by chemical means
atom
the smallest unit of an element
compound
a substance made of atoms of two or more different elements that are chemically combined
molecule
the smallest unit of a substance that keeps all of the physical and chemical properties of that substance
pure substance
a sample of matter, either a single element or a single compound
mixture
a combination of two or more substances that are not chemically combined
Examples of mixtures
sugar water
grape juice
gasoline
List two types of pure substances.
water
fresh squeezed orange juice
State the chemical formular for water
H2O
density
the ratio of mass to volume of a substance
characteristic properties
describing matter by both physical and chemical properties
physical change
a change of matter from one form to another without a change in chemical properties
chemical change
a change that occurs when a substance changes composition by forming one or more new substances
Compounds and elements are
pure substances
If you add oil to water and shake the two liquids together, you will form a
mixture
List the 4 types of matter
solid
liquid
gas
plasma