Honors Chemistry Chapters 1-3 Exam Rated A+
What is the definition of chemistry? ️The study of the properties and transformations of matter
What is the definition of matter? ️Anything that has mass and occupies space-- things you can see,
touch, taste, or smell
What is the definition of...
Honors Chemistry Chapters 1-3 Exam Rated A+
What is the definition of chemistry? ✔️The study of the properties and transformations of matter
What is the definition of matter? ✔️Anything that has mass and occupies space-- things you can see,
touch, taste, or smell
What is the definition of a property? ✔️A characteristic that can be used to describe a substance.
Substances have both physical and chemical properties
What is the definition of a transformation? ✔️A change in the properties of matter with time. There
are physical chances and chemical changes
Substances have both BLANK and BLANK properties ✔️Physical and chemical
Define physical properties ✔️Observing this property DOES NOT ALTER the makeup of a substance.
EX: Density, color, and melting points.
Define chemical properties ✔️Observing a chemical property DOES ALTER the substance.
EX: Chemical composition, what matter is made of, and chemical reactivity, how matter behaves.
Is a change in state a chemical or physical change? ✔️Physical change
Is change in particle size a chemical or physical change? ✔️Physical change
Is the formation of mixtures a chemical or physical change? ✔️Physical change
Is the separation of a mixture a chemical or physical change? ✔️Physical change
, If heat, light, or electrical energy is emitted or absorbed, is that a physical or chemical change?
✔️Chemical change
Is potassium reacting with water a chemical or physical change? ✔️Chemical change
What are the three states of matter? ✔️Solid, Liquid and Gas
What is the definition of a solid? ✔️A substance that has a definite shape and volume. They are rigid
and dense
What is the definition of a liquid? ✔️A substance that has a definite volume but that changes shape to
fill the container. They are dense and fluid
What is the definition of a gas? ✔️A substance that has neither a definite volume nor a definite shape.
Gases are BLANK density fluids. ✔️Low
What effects the state of matter? ✔️Pressure and temperature
What is the definition of a pure substance? ✔️Matter that is uniform in its chemical composition and
properties
What is an example of a pure substance? ✔️Water
What is the definition of a mixture? ✔️A blend of two or more pure substances in any ratio, each
retaining their identity?
What is an example of a mixture? ✔️Dissolving sugar in water
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