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30 Cards in this Set
- Front
- Back
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Properties
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ways you can describe something-
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Elements
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*basic building blocks of matter-made of atoms
* cannot be broken into smaller pieces |
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Examples of elements
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* oxygen *hydrogen *nitrogen
metals: *iron *gold *lead *nickel *copper |
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2 Types of Properties
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1. chemical--describe how a material changes into other materials
2. physical--can be measured without changing the material |
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Physical Properties
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examples: *color * odor *mass *volume *texture * hardness
can be measured, observed, described |
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compounds
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a type of matter made of a combination of elements which are combined into molecules
examples: water, air, most everything you see |
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concentrated
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a solution that has a large amount of a solute in comparison with the amount of solvent
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atom
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smallest particle of an element that still has properties of the element
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electron
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move around the protons and neutrons in an atom.
has the NEGATIVE charge |
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proton
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in the atom's center--its nucleus
has a POSITIVE charge |
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Properties
|
ways you can describe something-
|
|
|
Elements
|
*basic building blocks of matter-made of atoms
* cannot be broken into smaller pieces * there are over 100 elements * organized on the "periodic table" |
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|
Examples of elements
|
* oxygen *hydrogen *nitrogen
metals: *iron *gold *lead *nickel *copper |
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|
2 Types of Properties
|
1. chemical--describe how a material changes into other materials
2. physical--can be measured without changing the material |
|
|
Physical Properties
|
examples: *color * odor *mass *volume *texture * hardness
can be measured, observed, described |
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compounds
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a type of matter made of a combination of elements which are combined into molecules
examples: water, air, most everything you see |
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concentrated
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a solution that has a large amount of a solute in comparison with the amount of solvent
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atom
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smallest particle of an element that still has properties of the element
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electron
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move around the protons and neutrons in an atom.
has the NEGATIVE charge |
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proton
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in the atom's center--its nucleus
has a POSITIVE charge |
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neutron
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in the atom's center or nucleus
has NO electrical charge |
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saturated solution
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contains all the solute that can be dissolved without changing the temperature. any more solute will not dissolve
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dilute solution
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FAR from being saturated
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solution
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a special mixture in which substances are spread out evenly and do not settle
example: sugar(solute) water (solvent) |
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mixture
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different materials are placed together but DO NOT form compounds. you can still see the parts
examples: salt and pepper, |
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Examples of mixtures
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A Big Mac, concrete, sand in water, oil and vinegar salad dressing, steel
CAN BE SEPARATED!!! |
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Examples of solutions
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chocolate milk, salt water, bleach in water, lemonade
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molecules
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the smallest particle of a substance made up of combined atoms
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phase changes
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solids
liquids gas the phase depends on the arrangement and motion (temperature) of its atoms |
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density
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the amount of matter in a given volume...how much STUFF is contained.
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