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Chapter 2 Test
test
60
Chemistry
11th Grade
09/27/2010

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Cards

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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