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51 Cards in this Set

  • Front
  • Back
Homogeneous matter
Matter that has uniform characterisitics throughout
Heterogeneous matter
Matter that does not have uniform characterisitics throughout
Property
A characteristic
Extensive Property
A property that depends on the amount of matter
Intensive Property
A property that does not depend on the amount of matter
Physical Property
A charaterisitic that can be observed without producing new kinds of matter
Chemical Property
A charaterisitic that can be observed with producing new kinds of matter
Element
A simple substance that cannot be broken down into other substances by chemical means
Mixture
A physical combination of different substances
Compound
a Chemical mixture of different substances
Substance
Either an element or a compound
Pauli's Exclusion Principle
An orbital may hold up to two electrons with opposite spin
Quantum Theory
Describes mathematically the wave properties of electrons and other very small particles
Quantum
The minimum amount of energy that can be gained or lost from an electron
Heisenberg Uncertainty Theorem
You can never now where and electron is and where it's going at the same time.
Excited State
The highest energy level of an electron
Ground state
The lowest amount of energy of an electron
Photon
a light particle
Hund's Rule
Electrons fill up the p,d,f sub-shells in a manner to maximize the number of unpaired electrons, or half filled shells.
Aufbau Princible
an electron will occupy the loweset energy orbital it can recieve
Duality Paradox
Both Properties of a particle and a wave
Physical properties are.....
melting point, color, density, hardness, odor
Chemical Properties are...
Reactivity, combustibility, tandency to react, tandency to corrode, half lives, oxidation, radioactivity
isotops
Atoms of the same atomic number but a different atomic weight. Each element contains several isotop
Atomic Radii
increases down groups, and across periods
Electronegetivity
Decreases down a group, yet increase across a period
Ionization
decreases down a group, increases across a period
Atomic wieght
increases down a group and across a period
Ionic Size
decreases down a group and increases across a period
#1
Antoine Lavoisier- law of conservation of matter
#2
Dalton- All matter is made up of atoms- Indivisible atome atomic model
#3
Thomson- cathode and anode (magnetic fields) discovered proton and nuetron- Plumb pudding model
#4
ernest Rutherford- atom with nuecleus- gold foil, Planitary solar system model
#5
Bohr- Photoelectric Effect/ phenomina- Quantom Model
Fact
a close agreement by competent observers of the same phenomina
Theory
a hypothesis statment that has been tested over and over again with a constant outcome that has not been contridicted
Law or Principle
a synthesis of a a large body of information that encompasses well tested and verified hypothesis about aspects of the natural world.
#2
Dalton- All matter is made up of atoms- Indivisible atome atomic model
#3
Thomson- cathode and anode (magnetic fields) discovered proton and nuetron- Plumb pudding model
#4
ernest Rutherford- atom with nuecleus- gold foil, Planitary solar system model
#5
Bohr- Photoelectric Effect/ phenomina- Quantom Model
Fact
a close agreement by competent observers of the same phenomina
Theory
a hypothesis statment that has been tested over and over again with a constant outcome that has not been contridicted
Law or Principle
a synthesis of a a large body of information that encompasses well tested and verified hypothesis about aspects of the natural world.
#2
Dalton- All matter is made up of atoms- Indivisible atome atomic model
#3
Thomson- cathode and anode (magnetic fields) discovered proton and nuetron- Plumb pudding model
#4
ernest Rutherford- atom with nuecleus- gold foil, Planitary solar system model
#5
Bohr- Photoelectric Effect/ phenomina- Quantom Model
Fact
a close agreement by competent observers of the same phenomina
Theory
a hypothesis statment that has been tested over and over again with a constant outcome that has not been contridicted
Law or Principle
a synthesis of a a large body of information that encompasses well tested and verified hypothesis about aspects of the natural world.