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type of matter has definite properties and definite composition
pure substance
what is the 2 types of pure substances
elements and compounds
is H20 an element or compound
compound
is Iron(Fe) an element or compound
element
list the shape, volume, and energy for solids (in that order)
definite, definite, lowest
list the shape, volume, and energy for liquids (in that order)
indefinite, definite, middle
list the shape, volume, and energy for gas (in that order)
indefinite, indefinite, highest
properties that can be observed without changing the substance
physical property
properties that have to form a new substance to be observed
chemical property
Describe Thomson's cathode ray experiment
The cathode ray attracted to the positive plate
what particle did Thomson discover?
electron
What was the name of Thomson's model of the atom
plum pudding model
Why did the alpha particles in Rutherford's Gold Foil experiment deflect from the gold foil
they encountered a positive area
What did the ratio of alpha particle deflected (1/8000) tell Rutherford about the nucleus of the atom?
it was very small
What subatomic particle must be the same for every atom of a given element
proton
List the charge, mass, and location for a proton
Proton, +1, 1 amu, in the nucleus
List the charge, mass, and location for an electron
Electron, -1, 0 amu, outside the nucleus
List the charge, mass, and location for a neutron
Neutron, No charge, 1 amu, in the nucleus
What 2 particles must be equal in a neutral atom
proton and electron
Given an atom of C-14. Determine the number of protons, neutrons, and electrons
P=6, N=8, E=6
What is the mass number for a sodium atom with 13 neutrons
24 amu
In an atom of Ca-41, how many protons, neutrons, and electrons are there
P=20, N=21, E=20
what are atoms of the same element, with a different mass
isotopes
What is the average of the naturally occurring isotopes of an element
average atomic mass
what is spontaneous breakdown of an unstable nucleus
radioactive decay
what are three types of nuclear radiation
Alpha, Beta, Gamma
The number of wavelengths in a given time for a wave is the
frequency
What did Planck call the specific quantities of energy that can be released from atoms
quanta
According to Einstein, particles of light are called
photons
Who described the electrons can behave as both a particle and wave
DeBroglie
Whose equation is used to determine the likelihood of finding an electron in a given location
Schrodinger
Whose atom described electrons orbiting in specific energy levels
Bohr
What is an area of an atom where a given electron is most likely to be found
orbital
what is the shape of a S orbital
sphere
what is the shape of a p orbital
dumbell