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Chem 113-Exam 1 (ASU) Study Guide.
Matter - Answers✔Anything that has mass and takes up space
Property - Answers✔a property or characteristic of a substance that is observed during a reaction
in which the chemical composition or identity of the substance is changed
Element - Answers✔A pure substance made of only one kind of atom
Atoms - Answers✔smallest unit of matter
Molecule - Answers✔two or more atoms held together by covalent bonds
States of Matter - Answers✔solid, liquid, gas
Gas - Answers✔A state of matter with no definite shape or volume
Liquid - Answers✔A state of matter that has no definite shape but has a definite volume.
Solid - Answers✔Definite shape and volume
Pure substance - Answers✔A sample of matter, either a single element or a single compound,
that has definite chemical and physical properties
Compund - Answers✔A substance made up of atoms of two or more different elements joined by
chemical bonds
Mixture - Answers✔A combination of two or more substances that are not chemically combined
Solution - Answers✔A homogeneous mixture of two or more substances
law of definite proportions - Answers✔a given compound always contains exactly the same
proportion of elements by mass
physical property - Answers✔A characteristic of a pure substance that can be observed without
changing it into another substance
chemical property - Answers✔A characteristic of a pure substance that describes its ability to
change into different substances
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ALL RIGHTS RESERVED.
Chem 113-Exam 1 (ASU) Study Guide.
Matter - Answers✔Anything that has mass and takes up space
Property - Answers✔a property or characteristic of a substance that is observed during a reaction
in which the chemical composition or identity of the substance is changed
Element - Answers✔A pure substance made of only one kind of atom
Atoms - Answers✔smallest unit of matter
Molecule - Answers✔two or more atoms held together by covalent bonds
States of Matter - Answers✔solid, liquid, gas
Gas - Answers✔A state of matter with no definite shape or volume
Liquid - Answers✔A state of matter that has no definite shape but has a definite volume.
Solid - Answers✔Definite shape and volume
Pure substance - Answers✔A sample of matter, either a single element or a single compound,
that has definite chemical and physical properties
Compund - Answers✔A substance made up of atoms of two or more different elements joined by
chemical bonds
Mixture - Answers✔A combination of two or more substances that are not chemically combined
Solution - Answers✔A homogeneous mixture of two or more substances
law of definite proportions - Answers✔a given compound always contains exactly the same
proportion of elements by mass
physical property - Answers✔A characteristic of a pure substance that can be observed without
changing it into another substance
chemical property - Answers✔A characteristic of a pure substance that describes its ability to
change into different substances
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