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Chapter 2 Test
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60
Chemistry
11th Grade
09/27/2010
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Term
Potassium
 Definition
K
Term
Silver
 Definition
Ag
Term
Gold
 Definition
Au
Term
Lead
 Definition
Pb
Term
Helium
 Definition
He
Term
Iron
 Definition
Fe
Term
Calcium Oxide
 Definition
CaO
Term
Magnesium Oxide
 Definition
MgCl2
Term
Sodium Iodine
 Definition
Nal
Term
Nitrogen Dioxide
 Definition
NO2
Term
Oxygen Difluoride
 Definition
OF2
Term
Phosphous Tricbride
 Definition
PCl3
Term
Halogens
 Definition
They have many valence electrons, they are reactive non metals, all are diatomic molecules.
Term
EX. of an element?
 Definition
mercury
Term
What is a compound?
 Definition
When two or more elements combine
Term
Define Mass:
 Definition
Amount of matter
Term
What is weight?
 Definition
Amount of gravity pulling on an object
Term
hydrogen oxide
 Definition
OH
Term
Ammonium
 Definition
NH4+
Term
Sulfate
 Definition
So424
Term
Nitrate
 Definition
NO3
Term
Carbonate
 Definition
CO32-
Term
Phosphate
 Definition
PO43
Term
Calcium Chloride
 Definition
CaCl2
Term
Aluminum Sulfide
 Definition
Al2S3
Term
Aluminum Sulfate
 Definition
Al2(SO4)3
Term
Ammonium Oxfide
 Definition
(NH4)2O
Term
Carbon Monoxide
 Definition
CO
Term
Carbon Dioxide
 Definition
CO2
Term
Nitrogen Trioxide
 Definition
N2O3
Term
Homogenous pure material?
 Definition
Sulfur
Term
Heterogenous mixture?
 Definition
Spaghetti and meatballs
Term
Heterogenous pure material?
 Definition
ice water
Term
Homogenous mixture?
 Definition
koolaid
Term
Property of a metaloid?
 Definition
only reacts with nonmetals
Term
Example of metaloid?
 Definition
arsonic
Term
Intensive phusical properties?
 Definition
they do not depend on the ammount, they describe a material in general.
ex. color, melting point
Term
Extensive physical property
 Definition
They depend on the amount they describe a specific example
Term
Chemical properties
 Definition
Tell what a material will react with when chemical properties are tested new products are formed.
Term
Element
 Definition
contain one type of matter, only one type of atom
Term
Cobalt
 Definition
Co
Term
Nobelium
 Definition
No
Term
Nitrogren Monoxide
 Definition
NO
Term
Law of definite proportion
 Definition
atoms combine in whole number ratios by mass to form compounds
Term
Law of multiple proportion
 Definition
atoms of the same kind can combine in different whole number proportions, diff. chemical and physical traits
Term
Peroxide
 Definition
H2O2
Term
Phosphate
 Definition
PO4^3-
Term
Hydroxide
 Definition
OH-
Term
Carbonate
 Definition
CO3^2-
Term
Sulfate
 Definition
So4^2-
Term
Calcium Chloride
 Definition
CaCl2
Term
Aluminum Flouride
 Definition
Alf
Term
Potassium Sulfide
 Definition
K2S
Term
Diphosphorouspentaoxide
 Definition
P2O5
Term
Homogenous
 Definition
Same throughtout, no physical boundaries
Term
Heterogenous
 Definition
they differ throughout, distinct physical boundaries
Term
Diatomic Molecules
 Definition
when atoms combines with itself
Term
Alkali earth metals
 Definition
they have 2 valence electron they are in roots they are reactive metals
Term
Noble Gas
 Definition
have 8 valence electron except helium which has 2 valence electrons
Term
transition metals
 Definition
middle of periodic table transition, they are typical metals
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