A substance formed when two or more chemical elements are chemically bonded together.

A material made up of two or more different substances that are not chemically combined.

To purify a liquid by heating it until it vaporizes, then cooling and condensing the vapor.

A measure of the amount of matter in an object.

The amount of space that a substance or object occupies.

The force exerted on the mass of a body by a gravitational field.

The mass of a substance per unit volume.

To change something into a different form or property.

A change in which no new substances are formed and which can often be reversed.

A change that results in the formation of new chemical substances.

The principle that in a closed system, matter is neither created nor destroyed.

A state of matter characterized by particles arranged so that their shape and volume are relatively stable.

A state of matter that has a definite volume but no definite shape.

A state of matter consisting of particles that have neither a defined volume nor a defined shape.

The elastic tendency of a fluid surface that makes it acquire the least surface area possible.

A measure of a fluid’s resistance to flow.

To move rhythmically and steadily; oscillate.

The internal energy of an object due to the kinetic energy of its atoms and molecules.

A measure of the average kinetic energy of the particles in a system.

The temperature at which a solid becomes a liquid.

The temperature at which a liquid turns into a solid.

The phase transition from liquid to gas.

The temperature at which a liquid boils and turns into vapor.

The process of turning from liquid into vapor.

The conversion of a vapor or gas into a liquid.

The transition of a substance directly from the solid to the gas phase without passing through the liquid phase.

To temporarily prevent something from continuing or being in force or effect.

The force exerted per unit area.

The law that states that the volume of a gas is directly proportional to its temperature at constant pressure.

The law that states that the pressure of a gas is inversely proportional to its volume at a constant temperature.

Corresponding in size or amount to something else.

Materials made of only one type of atom or molecule.

Substances formed from two or more elements chemically united in fixed proportions.

Heterogeneous Mixture

A mixture that has a non-uniform composition.

A mixture that has a uniform composition throughout.

The state or power of being reactive, or the degree to which something is reactive.

A measure of how easily a substance will catch fire, through fire or combustion.

A solid that forms from a solution during a chemical reaction.

Law of Conservation of Matter

A law stating that matter cannot be created or destroyed in an isolated system.

The number of protons in the nucleus of an atom, which determines the chemical properties of an element and its place in the periodic table.

Positively charged subatomic particles found in the nucleus of an atom.

Subatomic particles found in the nucleus of an atom that have no charge.

Negatively charged subatomic particles that orbit the nucleus of an atom.

The substances that result from a chemical reaction.

Unit 1: Matter Flashcards

Student preview

52 questions

Show all answers

1.

FLASHCARD QUESTION

Front

Matter

Back

Anything that has mass and takes up space.

2.

FLASHCARD QUESTION

Front

Substance

Back

A particular kind of matter with uniform properties.

3.

FLASHCARD QUESTION

Front

Physical Property

Back

A characteristic of a substance that can be observed or measured without changing its identity.

4.

FLASHCARD QUESTION

Front

Chemical Property

Back

A characteristic of a substance that describes its ability to change into different substances.

5.

FLASHCARD QUESTION

Front

Atom

Back

The basic unit of a chemical element.

6.

FLASHCARD QUESTION

Front

Element

Back

A substance that cannot be broken down into simpler substances by chemical means.

7.

FLASHCARD QUESTION

Front

Molecule

Back

A group of atoms bonded together.

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