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Definition
| Anything that has mass and volume |
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| the amount of material in an object |
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| the amount of space an object occupies |
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| pure matter whose composition does not vary |
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| matter whose composition can vary |
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| a pure substance made up of one type of atom |
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| a pure substances composed of two or more types of atoms chemically bonded together |
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Definition
| smallest unit of an element that still maintains all the properties of that element |
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| smallest unit of a covalent compound that still has all the characteristics of that compound |
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| smallest unit of an ionic compound that still has all the properties of that compound |
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Definition
| mixture of substances that maintain distinct boundaries and threrefore do not appear uniform throughout |
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| mixture of materials that are of one phase and appear uniform throughout |
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| another name for homogenous mixtures |
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| This matter has unique properties from the elements that compose it. |
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| In this form of matter each of the substances maintains its own set of characteristics |
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Definition
| Technique for separating mixtures based on differences in boiling points |
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| Technique used for separating a substances in a mixture based on differences of the substances to form solid crystals in a liquid solution |
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Definition
| Technique used for separating mixtures based on differences in the size of the particles |
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Definition
| Technique used to separate mixtures based on differences in mass |
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Definition
| Chart of all the natural and synthetic elements |
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Definition
| Number of naturally occurring elements |
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| Law of Definite Proportions |
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Definition
| States that regardless of amount, a compound is always composed of the same elements in the same proportions by mass |
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| Law of Multiple Proportions |
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Definition
| States that when different compounds are composed of the same elements, different masses of one element combine with the same relative mass of the other element in a ratio of small whole numbers |
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Percent by mass= mass of element x 100
mass of compound |
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Definition
| Formula for calculating percent by mass of an element within a compound |
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Term
mass ratio of compound 1
mass ratio of compound 2
*you must first calculate ratio of elements within each compound (mass of element 1/mass of element 2) |
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Definition
| Formula for calculating the ratio of elements in two diferent compounds |
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Release or absorption of energy
Color change
Production of an odor
Production of a precipitate
Production of a gas |
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Definition
| What are some indicators that a chemical change has occurred? |
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Definition
Properties of matter that can be observed or measured without altering the composition of the matter
Examples: state of matter, temperature, color, mass, density, shape, texture, weight |
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Definition
Properties of matter that result from the reaction of one substance with another substance
Example: ability to burn, rust, corrode |
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Type of physical properties that are not dependent on the amount of material present
Examples: melting point, color, density |
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Definition
Type of physical properties that are dependent on the amount of material present
Examples: mass, weight, volume |
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Definition
Type of change in matter that results in the formation of a new substance
Examples: burning paper, tarnishing silver, rusting iron |
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Definition
Type of change in matter that does not result in the formation of a new substance
Example: cutting fabric, melting butter, freezing water, folding paper |
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Definition
| State of matter that has a definite shape and definite volume |
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Definition
State of matter that has a definite volume, but shape varies according to its container
Particles have enough energy to slip past one another, but stay in close proximity |
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Definition
State of matter in which the particles have enough energy to overcome their attraction for one another and they occupy as much space as is available to them.
State of matter that has neither a constant volume or constant shape |
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Definition
| The change in state from liquid to solid |
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| The change of matter from the solid state to the liquid state |
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Definition
| The change of state of matter from liquid to gas |
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| The change of state of matter from gas to liquid |
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| The change of matter from the gaseous state directly to the solid state |
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Definition
| change of matter from the solid state directly to the gaseous state |
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