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Test 2
Practice
36
Chemistry
12th Grade
09/01/2016

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Term
antiparticle of the electron
Definition
positron
Term
element Priestly discovered
Definition
oxygen
Term
Who discovered the electron and how?
Definition
thomson cathode ray experiment
Term
bond formed by a give and take of electrons
Definition
ionic
Term
charge of the electron
Definition
1.602 X 10^-19 Coulombs
Term
mass of proton
Definition
1.673 x 10^-27 kg
Term
who discovered x rays
Definition
roetgen
Term
production results i higher neutron/proton ratio
Definition
positron
Term
isotope used to study the thyroid gland
Definition
iodine
Term
radioactive particle with the greatest potential to cause damage
Definition
alpha
Term
density, color, and boiling point is examples of what because they are independent of the amount of substance present
Definition
intensive physical property
Term
what was it theorized that phlogiston flowed from
Definition
burning materials
Term
how did Priestly discover oxygen?
Definition
mercury (mercuric II) oxide
Term
a given compound always contains exactly the same ratio of elements by mass is stated in what
Definition
law of definite proportions
Term
who derived the law of definite proprtions
Definition
proust
Term
when two elements form a series of compounds, the ratios of the masses of the second element that combine with one gram of the first element can always be reduced to small while numbers stated in what
Definition
law of multiple proportions
Term
Who performed the oil drop experiment
Definition
Robert millikan
Term
who discovered the negativelycharged electron using the cathode ray tube
Definition
jj thomson
Term
what is the charge of electron with unites
Definition
1.062x10^-19 Coulombs
Term
mass of the elctron
Definition
9.11 x 10^-31 kg
Term
who discovered radioactivity involving uranium and images on photographic plates
Definition
Becquerel
Term
who discovered the nucleus
Definition
rutherford
Term
the nucleus was discovered using alpha particles in what experiment
Definition
gold foil
Term
mass of neutron
Definition
1.675 x 10^-27 kg
Term
mass of proton
Definition
1.63 x 10^-27 kg
Term
the proton and neutron are about how many times larger than the electron
Definition
1800
Term
bond formed from sharing of electrons
Definition
covalent
Term
difference in the number of which subatomic particle forms an isotope
Definition
neutron
Term
which substance on pt tends to become anions
Definition
nonmetals
Term
difference in the number of which subatomic particle forms an ion
Definition
electron
Term
elements in middle of pt
Definition
transition
Term
high speed electron
Definition
beta particle
Term
high energy photon
Definition
high speed electron
Term
What happens during positron production?
Definition
a proton is changed to a neutron and is actually an antiparticle of the electron
Term
carbon dating is used for what
Definition
date once living things
Term
what can thallium 201 be used for
Definition
assess damage of the heart muscle after a heart attack
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