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53 Cards in this Set
- Front
- Back
MATTER |
Matter is made up of particles called atoms and
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ENERGY |
Energy is the ability to cause change or do work.
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MATTER |
Anything that has mass and takes up space. |
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MASS |
The amount of matter in an object |
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WEIGHT |
The pull of gravity on |
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VOLUME |
The measure of space an object occupies. |
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INTERMOLECULAR FORCES |
Attractive forces holding molecules |
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ENTROPY |
A measure of the disorder (randomness) of a |
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COMPOSITION |
What the matter is made of. |
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PROPERTIES |
Describes the matter.
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PHYSICAL PROPERTY |
Can be observed with the senses. |
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CHEMICAL PROPERTY |
How a substance reacts. |
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PHYSICAL CHANGES |
Changes in which the identity of the |
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CHEMICAL CHANGES |
The identities of substances change |
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INTENSIVE |
does NOT depend |
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EXTENSIVE |
depends on |
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ATOM |
The basic building block of matter |
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ELEMENT |
A type of pure substance which cannot be broken down into simpler substances |
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MONATOMIC |
Elements consist of unbonded, “like” atoms |
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POLYATOMIC |
Elements consist of several “like” atoms |
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DIATOMIC ELEMENTS |
A molecule bonded to itself. |
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ALLOTROPES |
Different forms of the same element in the |
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MOLECULE |
neutral groups of bonded atoms |
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COMPOUND |
A type of pure substance which can be broken |
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FORMULA |
A combination of chemical symbols that show |
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CHEMICAL EQUATIONS |
Depict the kind of reactants and products |
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(aq) |
a reactant or product in an aqueous solution |
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CHEMICAL REACTION |
A rearrangement of atoms. Indicates the |
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PRODUCTS |
what you end up with |
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REACTANTS |
what you started with |
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LAW OF CONSERVATION OF MATTER |
In a chemical reaction, matter can neither be created nor destroyed but can change form. |
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SYNTHESIS |
taking small molecules and putting them |
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PURE SUBSTANCES |
Material in which the composition is the same |
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MIXTURE |
Combination of two or more substances. |
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HOMOGENEOUS |
Evenly mixed, very small particles |
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HETEROGENEOUS |
Different composition and properties in |
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SOLUTE |
being dissolved |
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SOLVENT |
doing dissolving |
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SUSPENSION |
Settles over time |
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ALLOY |
a homogeneous mixture of metals |
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COLLOID |
looks cloudy, cannot see individual particles |
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DENSITY |
How tightly packed particles are. |
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VOLATILE |
can change into a gas easily at room temp |
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ENERGY |
the ability to do work |
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POTENTIAL ENERGY |
stored energy |
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KINETIC ENERGY |
energy of motion |
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LAW OF CONSERVATION OF ENERGY |
during a chem. reaction, energy can neither be created nor destroyed |
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EXOTHERMIC |
gives off heat |
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ENDOTHERMIC |
absorbs heat |
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TEMPERATURE |
A measure of the average kinetic energy |
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ABSOLUTE ZERO |
The temperature at which all movement stops. |
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HEAT |
The energy transferred between objects |
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SPECIFIC HEAT CAPACITY |
The amount of heat energy needed to raise the |