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CHE 131 - Polyatomic Ions
Exam 1
39
Chemistry
Undergraduate 1
06/04/2013

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Term
ClO3-
Definition
Chlorate
Term
ClO2 -
Definition
Chlorite
Term
CrO4 2-
Definition
Chromate
Term
HCO3 -
Definition
Bicarbonate
Term
SO4 2-
Definition
Sulfate
Term
SO3 2-
Definition
Sulfite
Term
PO4 3-
Definition
Phosphate
Term
NO3 -
Definition
Nitrate
Term
NO2 -
Definition
Nitrite
Term
ClO4 -
Definition
Perchlorate
Term
ClO (-)
Definition
Hypochlorite
Term
CO3 (2-)
Definition
Carbonate
Term
NH4 +
Definition
Ammonium
Term
MnO4 -
Definition
Permanganate
Term
OH -
Definition
Hydroxide
Term
Cr207 (2-)
Definition
Dichromate
Term
O2 (2-)
Definition
Peroxide
Term
N3 (-)
Definition
Azide
Term
N (3-)
Definition
Nitride
Term
S (2-)
Definition
Sulfide
Term
S2 (2-)
Definition
DisulfideS2 (2-)
Term
Cyanide
Definition
CN-
Term
What is the formula to convert Celsius to Farhenheit
Definition
C = 5/9 (F-32)
Term

Proved that protons are not uniformly distributed  through out the atom. 

 

Fired Alpha particles through gold foil

Definition
Rutherford
Term
He proved the m/z ratio for an electron with the cathode ray.
Definition
JJ Thomson
Term
Millikan proved what?
Definition
proved the charge and mass of an electron with the oil drop experiment
Term
his positive ray analyzer demonstrated that elements can have more than one isotope.
Definition
Aston
Term
What is the formula to change Kelvin to Celsium
Definition
Kelvin = C + 273.15
Term
Describe an intensive property
Definition

independent of the amount of substance present 

 

  • Color, hardness, density (d= mass/volume)
Term
Extensive property
Definition

varies with quantity of the substance

 

  • Volume and Mass
Term
Physical properties
Definition

characteristics of a substance that can be observed without changing it into another substance

 

  • hardness, color, luster 
Term
Chemical Properties
Definition

characteristics that can be observed only when a substance reacts with another subtance

 

  • Carbonates produce gas when added to acidic solutions 
Term

Rounding off Value

 

is = to 5

Definition
  • If there is a nonzero digit to the right of the 5, THEN ROUND UP
  • If there are no nonzero numbers to the right of the 5, then round to the nearest even number
Term
What is Accuracy?
Definition
aggrement between measured value and accepted or true value
Term
What is Precicsion?
Definition
agreement among repeated measurements
Term
discovered the electron using a cathode ray tube
Definition
eJJ. Thomson
Term
deteremined the masss and charge of an electron with his oil-droplet experiement
Definition
Robert Millikan
Term
discovered that some materials produced invisible radiation, consisting of particles
Definition
Henri Becquerel
Term
Chadwick
Definition
Rutherfords student, discovered the Neutron
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