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Jeopardy
Model of
Atoms
Nucleus
Isotopes
Isotopes
2
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Scientist
Final Jeopardy
$100 Question from Scientist
Who were the first to discover the atom?
$100 Answer from Scientist
Greek Philosophers
$200 Question from Scientist
Which scientist stated that the atom was a
hard sphere with positive and negative
particles spread evenly throughout the
surface?
$200 Answer from Scientist
Dalton
$300 Question from Scientist
Use Thomson’s cathode ray experiments to
explain why the neutron was the last of the
three main subatomic particles to be
discovered.
$300 Answer from Scientist
Use the CRT Thomson determined that
there the cathode rays were negative but
he knew that not all matter was negative
so then he determined that there must be
a positive charge.
$400 Question from Scientist
Explain the differences between the
assumptions that the Greek’s used
compares to the assumption Dalton used.
$400 Answer from Scientist
Greek’s did not conduct experiments they
used their logic whereas, Dalton used
scientific research to further study what the
Greek’s proposed.
$500 Question from Scientist
How did Thomson know that the glow in
the CRT was from a stream of charged
particles?
$500 Answer from Scientist
He knew this because when he placed a
magnet near the tube the rays deflected.
$100 Question from Model of the
Atom
Why did Rutherford infer that the presence
of a tiny nucleus?
$100 Answer from Model of the
Atom
When he conducted the experiment some
of the particles bouced back from the foil.
$200 Question from Model of the
Atom
What particles are in the nucleus of the
nuclear atom?
$200 Answer from Doing
Science
Protons and neutrons.
$300 Question from Model of the
Atom
Which particle found in the atom would
not be deflected by a magnet?
$300 Answer from Model of the
Atom
A neutron because it does not have a
charge.
$400 Question from Model of the
Atom
What is difference between atomic number,
atomic mass, and mass number?
$400 Answer from Model of the
Atom
Atomic number – the number of protons in
an atom
Atomic Mass – the mass of the protons and
neutrons
Mass Number – the number of protons and
neutrons
$500 Question from Model of the
Atom
Describe why a neutral atom has the same
number of protons and neutrons?
$500 Answer from Model of the
Atom
The protons are positive and the elcetrons
are negative so in order for an atom to be
neutral the atom must have the same
number of each.
$100 Question from Nucleus
What are atoms of the same element that
have different numbers of neutrons
called?
$100 Answer from Nucleus
Isotopes
$200 Question from Nucleus
Which particle have almost the same mass?
$200 Answer from Nucleus
Protons and neutrons
$300 Question from Nucleus
For a radioactive substance , half-life is determined by
what?
$300 Answer from Nucleus
The mass of the given substance.
$400 Question from Nucleus
During beta-particle emisson, a neutron
splits into what?
$400 Answer from Nucleus
The neutron becomes unstable and splits
into an electron and a proton.
$500 Question from Nucleus
Why is iodine-131 a good choice for a trace
element?
$500 Answer from Nucleus
Iodine-131 is good as a tracer because it is
absorbed easily by cells in the thyroid
which transfer through the body.
$100 Question from Isotopes
Magnesium-24 has 12 protons how many
electrons and neutrons does it have?
$100 Answer from Isotopes
12 electrons
12 neutrons
$200 Question from Isotopes
Argon-41 has 23 neutrons how many
protons and neutrons does it have?
$200 Answer from Isotopes
18 protons
18 electrons
$300 Question from Isotopes
Flourine-17 has 9 electrons how many
protons and neutrons does it have?
$300 Answer from Isotopes
9 protons
8 neutrons
$400 Question from Isotopes
Sodium-23 has 11 protons how many
electrons and neutrons does it have?
$400 Answer from Isotopes
11 electrons
12 neutrons
$500 Question from Isotopes
Iron-57 has 30 neutrons how many
protons and electrons does it have?
$500 Answer from Isotopes
27 protons
27 electrons
$100 Question from Isotopes
What is the process by which one element
changes into another element?
$100 Answer from Isotopes
transmutation
$200 Question from Isotopes
A transmutation involving the release of
alpha particles produces atoms whose
atomic number has decreased by what?
$200 Answer from Isotopes
2
$300 Question from Isotopes
A transmutation involving the release of
beta particles produces atoms whose atomic
number has increased by what?
$300 Answer from Isotopes
1
$400 Question from Isotopes
What is the best description of Dalton’s
representation of an atom?
$400 Answer from Isotopes
A marble
$500 Question from Isotopes
What is the best description of Thomson’s
representation of an atom?
$500 Answer from Isotopes
Something round with spots.
Final Jeopardy
Describe five physical Isotopes of an
apple, three that are constant with all
apples and two can vary from apple to
apple.
Final Jeopardy Answer
Constant: color, taste, texture of skin
Not Constant: size and shape