FAMOUS

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FAMOUS SCIENTISTS
ATOMIC MASS
ATOMIC NUMBER
ATOMIC STRUCTURE
CHAPTER 3 TERMS
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IN 400 BC HE CAME UP WITH THE IDEA OF THE ATOM
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WHO IS DEMOCRITUS
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HE DESCRIBED BEHAVIORS OF MATTER IN AN ATOMIC
THEORY
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WHO IS JOHN DALTON
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HE GAVE PROOF OF THE ELECTRON THROUGH HIS
EXPERIMENTS WITH CATHODE RAYS
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WHO IS J.J THOMPSON
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HIS GOLD FOIL EXPERIMENT CONCLUDED 1.THERE IS A
DENSE POSITIVE CENTER OF AN ATOM2. THE ATOM IS
MOSTLY EMPTY SPACE3. ELECTRONS TRAVEL IN EMPTY
SPACE
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WHO IS ERNEST RUTHERFORD
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HIS STATEMENT THAT ATOMS CANNOT BE CREATED OR
DESTROYED WAS LATER PROVEN WRONG BY THE DISCOVERY
OF ELECTRONS
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WHO IS JOHN DALTON
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MAGNESIUM HAS 12 NEUTRONS WHEN THE ATOMIC MASS IS
THIS
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WHAT IS 24
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ALUMINUM HAS 15 NEUTRONS WHEN ITS ATOMIC MASS IS
THIS
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WHAT IS 28
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DAILY DOUBLE
DAILY DOUBLE
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ZINC HAS 31 NEUTRONS WHEN THE ATOMIC MASS IS THIS
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WHAT IS 61
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HOLMIUM HAS 70 NEUTRONS WHEN THE ATOMIC MASS IS
THIS
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WHAT IS 137
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EINSTEINIUM HAS 98 NEUTRONS WHEN ITS ATOMIC MASS
IS THIS
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WHAT IS 197
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BORON HAS 5 PROTONS AND THE ATOMIC NUMBER OF THIS
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WHAT IS 5
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THIS IS ATOMIC NUMBER 1 ON THE PERIODIC TABLE OF
ELEMENTS
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WHAT IS HYDROGEN
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13 P 13 N

• THE ATOMIC NUMER IS THIS

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WHAT IS 13
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29 P31 N

• THE ATOMIC NUMBER OF THE ABOVE ATOM IS THIS

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WHAT IS 29
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THE ATOMIC NUMBER OF AN ATOM IS DETERMINED BY THE
NUMBER OF THIS SUBATOMIC PARTICLES
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WHAT ARE PROTONS
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IT IS A SUBATOMIC PARTICLE FOUND IN THE NUCLEUS
OF AN ATOM THAT HAS NO CHARGE
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WHAT IS A NEUTRON
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IT IS THE NEGATIVELY CHARGED SUBATOMIC PARTICLE
THAT IS FOUND IN THE EMPTY SPACE OF THE ATOM
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WHAT IS THE ELECTRON
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IT IS A SUBATOMIC PARTICLE THAT HAS A POSITIVE
CHARGE
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WHAT IS A PROTON
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THE ATOM IS ELECTRICALLY NEUTRAL BECAUSE THE
NUMER OF ELECTRONS EQUALS THE NUMBER OF THESE
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WHAT ARE PROTONS
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IT IS THE DENSE POSITIVELY CHARGED CENTER OF AN
ATOM
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WHAT IS THE NUCLEUS
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THE UNIT THAT THE MASS OF AN ATOM IS MEASURED IN
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WHAT IS THE ATOMIC MASS UNIT (AMU)
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IT IS A MEASURE OF THE AMOUNT OF MATTER
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WHAT IS MASS
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AVERAGE OF ATOMIC MASSES OF THE ISOTOPES OF AN
ELEMENT
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WHAT IS AVERAGE ATOMIC MASS
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THEY ARE ATOMS OF THE SAME ELEMENT THAT HAVE
DIFFERENT ATOMIC MASSES
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WHAT ARE ISOTOPES
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IT IS THE LAW THAT STATES MASS CANNOT BE CREATED
OR DESTROYED
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WHAT IS THE LAW OF CONSERVATION OF MASS