Do you know your
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Transcript of Do you know your
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11 1 11 1 1 12 2 2 2 2 2 23 3 3 3 3 3 34 4 4 4 4 4 4
Greek Philosophers
Dalton’s Atomic Theory
How atoms differ
Radioactivity
Types of radiation
The atom
Subatomic particles
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A 1
Said that matter is made of atoms which move through empty space
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A 2
Stated that empty space cannot exist and that matter is made up of earth fire, and water
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A 3
Marked the beginning of the modern atomic theory
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A 4
Dalton’s idea’s were most like who??
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B 1
Atoms are composed of extremely small particles called?
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B 2
Atoms of a given element had identical what?
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B 3
Atoms do this when they combine to make compounds
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B 4
In a chemical reaction, atoms do this.
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C 1
The smallest part particle of an element that retains the properties of the element.
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C 2
Discovered by JJ Thomson, this atomic particle was foundusing a cathode ray tube
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C 3
The model Thomson composed that states that the atom is a uniform, positively charged sphere containing electrons.
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C 4
The scientist and name of the experiment who used the Plum Pudding model to determine properties of the nucleus, including charge, relative size, and density
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D 1
Carries a positive charge and is located in the nucleus of the atom
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D 2
Discovered by James Chadwick, contains a neutral charge, is located in the nucleus, is about the same mass as a proton
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D 3
Carries a negative charge, located surrounding the nucleus, and has a mass much smaller than a proton and neutron
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D 4
Most of the atoms’ mass
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E 1
The number of protons in an atom is also the elements identity
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E 2
Atoms with the same number of protons but different number of neutrons
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E 3
The atomic number plus the number of neutrons
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E 4
Defined as one twelfth the mass of a carbon-12 atom. (An easier wayto express the mass of an atom
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F 1
The rays and particles emitted by radioactive material
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F 2
A reaction that involves a change in an atom’s nucleus.
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F 3
Unstable nuclei lose energy by emitting radiation in this spontaneous process.
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F 4
Substances that spontaneously emit radiation is called this process
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G 1
Contains two protons and two neutronsand is equivalent to a Helium-4 nucleus
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G 2
Consists of a fast moving electron
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G 3
High energy radiation that possess no mass usually accompanies alpha and beta radiation
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G 4
The quantities that are conserved when balancing a nuclear reaction
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A 1
Democritus
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A 2
Aristotle
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A 3
Dalton
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A 4
Democritus
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B 1
ATOMS
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B 2
Size, Shape, and Mass
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B 3
Combine in simple whole number ratios
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B 4
Separate, combine and rearrange
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C 1
ATOM
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C 2
Electron
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C 3
Plum Pudding model
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C 4
Rutherford – Gold Foil Experiment
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D 1
PROTON
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D 2
Neutron
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D 3
Electron
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D 4
Nucleus
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E 1
Atomic Number
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E 2
Isotope
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E 3
Mass Number
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E 4
amu
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F 1
Radiation
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F 2
Nuclear reaction
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F 3
Radioactive decay
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F 4
Radioactivity
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G 1
Alpha particle
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G 2
Beta particle
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G 3
Gamma ray
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G 4
Mass number and atomic number