問題一覧
1
ALARA/ALADA
AS LOW AS REASONABLY ACHIEVABLE, AS LOW AS DIAGNOSTICALLY ACHIEVABLE
2
MATTER COMPOSED OF 4 COMPONENTS
EARTH WATER AIR FIRE
3
4 BASIC ESSENCES
WET DRY HOT COLD
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"invisible" term they use to describe the smallest part of the atom
ATEMON
5
ATEMON means
A= NOT TEMON= CUT
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SUBSTANCES OF ELEMENTS NATURALLY OCCURING ARTIFICIALLY PRODUCED IN HIGH ENERGY
118 92 26
7
particles that are much smaller than atom
SUBATOMIC PARTICLES
8
elements can be classified according to the integral values of their atomic rays
DALTON ATOM THEORY
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"hook and eye affai"
JOHN DALTON
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combination of one type of atom with another
HOOK AND EYE AFFAIR
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he discovered Periodic Table of elements (1896)
DMITRI MENDELEEV
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He discovered LAW OF OCTAVES and he arranged the elements in 8 groups
JOHN NEWLANDS
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Electron in the outer energy shells
VALENCE ELECTRONS
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he discovered cathode rays were composed negatively charged particles know as electron (1897) "plum pudding"
JOHN JOSEPH THOMPSON
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He called the center of. the atom nucleus "The nuclear model"
ERNEST RUTHERFORD
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He improved Ernest Rutherford description of the atom "miniature of solar system"
NEILS BOHR
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The studt of interaction bet. quarks mediated by gluons
QUANTUM CHROMODYNAMICS (QCD)
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Central part of the atom -discovered by Ernest Rutherford
NUCLEUS
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"atom smashers"
PARTICLE ACCELERATORS
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they were composed of quarks that are held together by gluons
NUCLEONS •Protons •Neutrons
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lost electron has "positive charge"
CATION
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gained electron "negative charge"
ANION
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FUNDAMENTAL PARTICLES
PROTONS NEUTRONS ELECTRONS
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found in atomic nuclues discovered by Eugene Goldstein 1 up 1 down quarks
PROTON
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uncharged particles found in atomic nucleus discovered by James Chadwick 1 up 2 downs quarks
NEUTRON
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it sorrounds the atomic nucleus discovered by JJ THOMPSON It determin the properties of the atom
ELECTRON
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central seeking force "flying out from the center foce"
CENTRIFUGAL FORCE
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holds protons and neutrons in the nucleus
STRONG FORCE/COLOR FORCE/ NUCLEAR FORCE
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no outrr shell can contain more that 8 electrons
OCTET RULE
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adding electrons to the innershell, instead on the next outer shell
TRANSITIONAL ELEMENTS
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A=
ATOMIC MASS NUMBER
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Z=
ATOMIC NUMBER
33
N=
NEUTRONS
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shari ng of elements
COVALENT BONDS
35
giving elements
IONIC BONDS