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Exambusters Chemistry Study Cards 2
Matter (Cards 30-50)
55
Chemistry
10th Grade
08/09/2012

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Cards

Term
Physical Change
Definition
Substance changes form or state only. e.g. boiling, melting, freezing, dissolving, grinding, cutting
Term
Chemical Change
Definition
New substances are formed with new chemical and physical properties. e.g. oxygen and hydrogen form water, sodium and chlorine form salt (sodium chloride)
Term
List the three states of matter in order of increasing density.
Definition
gas: neither definite shape nor volume
liquid: definite volume; takes shape of container
solid: definite size and shape
Term
Name for:
Fe
Definition
Iron
Term
Name for:
Co
Definition
Cobalt
Term
Name for:
Ni
Definition
Nickel
Term
Name for:
Cu
Definition
Copper
Term
Name for:
Zn
Definition
Zinc
Term
Identify as element, compound, or mixture:
sand
Definition
mixture
Term
Identify as element, compound, or mixture:
air
Definition
mixture
Term
Identify as element, compound, or mixture:
gold
Definition
element
Term
Identify as element, compound, or mixture:
water
Definition
compound
Term
Identify as element, compound, or mixture:
salt
Definition
compound
Term
Identify as element, compound, or mixture:
hydrogen
Definition
element
Term
Physical Properties
Definition
Properties which can be observed without altering the substance. e.g. color, odor, hardness, density, luster, state, conductivity, solubility, boiling point and melting point
Term
Chemical Properties
Definition
Observed when a substance changes into a new substance. e.g. Iron forms rust in air and water; gasoline burns in oxygen.
Term
Name for:
C
Definition
Carbon
Term
Name for:
Si
Definition
Silicon
Term
Name for:
N
Definition
Nitrogen
Term
Name for:
P
Definition
Phosphorus
Term
Name for:
O
Definition
Oxygen
Term
Einstein's Law of Conservation of Mass-Energy
Definition
E=mc2 The sum-total of mass and energy remains constant in a reaction, but mass and energy may be interconverted.
Term
Symbol for:
sulfur
Definition
S
Term
Symbol for:
chlorine
Definition
Cl
Term
Symbol for:
iodine
Definition
I
Term
Symbol for:
fluorine
Definition
F
Term
Symbol for:
bromine
Definition
Br
Term
Symbol for:
silver
Definition
Ag
Term
Symbol for:
gold
Definition
Au
Term
Symbol for:
mercury
Definition
Hg
Term
Symbol for:
aluminum
Definition
Al
Term
Symbol for:
lead
Definition
Pb
Term
phase
Definition
A sharply defined, uniform region in a mixture. e.g. oil and vinegar in salad dressing; ice and water in a frozen pond
Term
Name for:
He
Definition
Helium
Term
Name for:
Ne
Definition
Neon
Term
Name for:
Ar
Definition
Argon
Term
Name for:
Kr
Definition
Krypton
Term
Name for:
U
Definition
Uranium
Term
Density
Definition
mass/volume

units: g/mL g/L kg/L
Term
Calculate the density of a rock with mass = 10 g, and volume = 5 mL
Definition
2 g/mL
Term
element
Definition
A substance composed of identical atoms. e.g. gold, silver, oxygen, hydrogen, lead, chlorine, helium, iron, copper, fluorine, arsenic
Term
compound
Definition
Substance composed of two or more different elements chemically combined. e.g.
water, H2O
salt, NaCl
sugar, C6H12O6
ammonia, NH3
Term
mixture
Definition
A combination of substances held together by physical means. e.g. dirt, milk, soup, saltwater, granite
Term
homogeneous mixture
Definition
Uniform in composition. e.g. air, metal alloy, salt, water
Term
heterogeneous mixture
Definition
Not uniform in composition. e.g. spaghetti sauce, salad
Term
Symbol for:
barium
Definition
Ba
Term
Symbol for:
beryllium
Definition
Be
Term
Symbol for:
platinum
Definition
Pt
Term
Symbol for:
arsenic
Definition
Ar
Term
Symbol for:
tin
Definition
Sn
Term
Symbol for:
sodium
Definition
Na
Term
Symbol for:
potassium
Definition
K
Term
Symbol for:
calcium
Definition
Ca
Term
Symbol for:
hydrogen
Definition
H
Term
Symbol for:
magnesium
Definition
Mg
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