Shared Flashcard Set

Details

Chemistry ch 1
Dr. Olson
21
Chemistry
Undergraduate 1
01/18/2012

Additional Chemistry Flashcards

 


 

Cards

Term
observations of cathode ray experiment
Definition
ray bends in magnetic field
ray bends toward psoitive plate in electric field
ray is identical for any cathode
Term
conclusion of cathode ray experiment
Definition
ray consists of charged particles
ray consists of negative particles
these particles are found in ALL matter
Term
cathode
Definition
negative
Term
anode
Definition
positive
Term
JJ Thompson
Definition
Cathode ray experiment
Term
Who discovered electrons
Definition
JJ Thompson
Term
Who did the oil-drop experiment
Definition
Millikan's
Term
What did the oil drop experiment test
Definition
electrons charge, was able to figure out the mass of electrons from help of Thompson
Term
diffuse charge
Definition
counter charge to make an atom neutral
Term
plumpudding modle
Definition
Thompson
Term
x-scattering experiment
Definition
Rutherfords experiment to back up the plumb pudding model
Ends up figuring out that atoms have a nucleus
Term
what was the x-scattering experiment
Definition
shooting alpha particles at gold foil, in which the rays would bounce off the nucleus
Term
who discovered the proton
Definition
rutherford
Term
who discovered the neutron
Definition
Chadwick
Term
what weighs more protons neutrons or electrons
Definition
protons and nuetrons weigh more and are the same weight
Term
atomic symbol
Definition
O for oxygen
Term
equation for mass number
Definition
Term
isotopes
Definition
atoms of an element with the same number of protons, but a different number of neutrons
Term
Isotopes have the same atomic number but.....
Definition
a different mass number
Term
what is an ION
Definition
a positivly charged atom
Term
what is an anion
Definition
a negatively charged atom
Supporting users have an ad free experience!